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DiatomBase taxon details

Surirellaceae Kützing, 1844

149006  (urn:lsid:marinespecies.org:taxname:149006)

accepted
Family
Genus Campylodiscus C.G. Ehrenberg ex F.T. Kützing, 1844
  » Species Campylodiscus angularis Gregory, 1857
  » Species Campylodiscus biangulatus Greville, 1862
  » Species Campylodiscus bicostatus W.Smith ex F.C.S.Roper, 1854
    » Variety Campylodiscus bicostatus var. arabica Grunow in Schmidt et al., 1877 (uncertain, unassessed)
    » Variety Campylodiscus bicostatus var. bicostatus W. Smith in Roper, 1854 (uncertain, unassessed)
    » Variety Campylodiscus bicostatus var. genuinus Grunow, 1862 (uncertain, unassessed)
    » Variety Campylodiscus bicostatus var. parvulus Grunow, 1862 (uncertain, unassessed)
    » Variety Campylodiscus bicostatus var. peisonis Grunow, 1862 (uncertain, unassessed)
    » Variety Campylodiscus bicostatus var. quadratus Grunow, 1862 (uncertain, unassessed)
  » Species Campylodiscus browneanus Greville
  » Species Campylodiscus campecheanus J.M.Deby
  » Species Campylodiscus cordatus Hagelstein, 1939
  » Species Campylodiscus ecclesianus Greville
    » Variety Campylodiscus ecclesianus var. adriaticus (Grunow) Cleve, 1901 represented as Campylodiscus adriaticus var. adriaticus Grunow, 1862
    » Variety Campylodiscus ecclesianus var. debyi (Leuduger-Fortmorel) Cleve, 1901 represented as Campylodiscus debyi Leuduger-Fortmorel, 1892
    » Variety Campylodiscus ecclesianus var. graeffei (Grunow in Schmidt et al.) M. Peragallo, 1897 represented as Campylodiscus graeffei Grunow in Schmidt et al., 1875
    » Variety Campylodiscus ecclesianus var. pacifica (Grunow) Cleve, 1901 represented as Campylodiscus pacificus Grunow in Schmidt et al., 1875
    » Variety Campylodiscus ecclesianus var. ecclesianus Greville, 1857 (uncertain, unassessed)
    » Variety Campylodiscus ecclesianus var. rabenhorstii Mills, 1862 (uncertain, unassessed)
  » Species Campylodiscus echineis Ehrenberg, 1840
  » Species Campylodiscus eximius Gregory, 1857
    » Variety Campylodiscus eximius var. briocensis Schmidt in Schmidt et al., 1877 (uncertain, unassessed)
    » Variety Campylodiscus eximius var. eximius Gregory, 1857 (uncertain, unassessed)
  » Species Campylodiscus fastuosus Ehrenberg, 1845
  » Species Campylodiscus gruendleri Grunow
  » Species Campylodiscus hibernicus Ehrenberg, 1845
    » Variety Campylodiscus hibernicus var. costatus (W. Smith) Mills, 1933 represented as Campylodiscus costatus W.Smith, 1851
    » Variety Campylodiscus hibernicus var. hungaricus (Pantocsek) Cleve-Euler, 1952 represented as Campylodiscus noricus var. hungarica Pantocsek, 1902
    » Variety Campylodiscus hibernicus var. noricus (Ehrenberg; Ehrenberg) van Heurck, 1896 represented as Campylodiscus noricus var. noricus Ehrenberg ex Kützing, 1844
    » Variety Campylodiscus hibernicus var. sublaevis (Meister) Cleve-Euler, 1932 represented as Campylodiscus noricus var. sublaevis Meister, 1912
    » Variety Campylodiscus hibernicus var. transsylvanicus (Pantocsek) Jurilj, 1954 represented as Campylodiscus hibernicus var. transylvanicus Pantocsek, 1892
    » Variety Campylodiscus hibernicus var. armatus Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Campylodiscus hibernicus var. balatonis Pantocsek, 1902 (uncertain, unassessed)
    » Variety Campylodiscus hibernicus var. glabra Cleve-Euler, 1924 (uncertain, unassessed)
    » Variety Campylodiscus hibernicus var. hibernicus Ehrenberg, 1845 (uncertain, unassessed)
    » Variety Campylodiscus hibernicus var. minor Cleve-Euler, 1922 (uncertain, unassessed)
    » Variety Campylodiscus hibernicus var. rugosa Amossé, 1934 (uncertain, unassessed)
    » Variety Campylodiscus hibernicus var. transylvanicus Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus hodgsonii W.Smith, 1853
  » Species Campylodiscus hypodromus Brun & Tempére, 1889
    » Variety Campylodiscus hypodromus var. hypodromus Brun in Brun & Tempère, 1889 (uncertain, unassessed)
    » Variety Campylodiscus hypodromus var. kertschiana Missuna, 1914 (uncertain, unassessed)
  » Species Campylodiscus imperialis Greville
    » Variety Campylodiscus imperialis var. imperialis Greville, 1860 (uncertain, unassessed)
    » Variety Campylodiscus imperialis var. media Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus lacusbaikali Skvortzov
    » Variety Campylodiscus lacusbaikali var. annulata Skvortzow, 1937 (uncertain, unassessed)
    » Variety Campylodiscus lacusbaikali var. hispidula Skvortzow, 1937 (uncertain, unassessed)
    » Variety Campylodiscus lacusbaikali var. lacusbaikali Skvortzow, 1937 (uncertain, unassessed)
  » Species Campylodiscus latus Shadb., 1854
  » Species Campylodiscus noricus Ehrenberg ex Kützing, 1844
    » Forma Campylodiscus noricus f. hibernicus (Ehrenberg) Grunow, 1862 represented as Campylodiscus hibernicus var. hibernicus Ehrenberg, 1845
    » Forma Campylodiscus noricus f. tenera (Mayer) Hustedt, 1930 represented as Campylodiscus tenera Mayer, 1929
    » Variety Campylodiscus noricus var. costatus (W. Smith) Grunow, 1862 represented as Campylodiscus costatus W.Smith, 1851
    » Variety Campylodiscus noricus var. hibernicus (Ehrenberg) Grunow, 1862 accepted as Campylodiscus hibernicus Ehrenberg, 1845 (basionym)
    » Variety Campylodiscus noricus var. fossilis Pantocsek, 1892 (uncertain, unassessed)
    » Variety Campylodiscus noricus var. genuinus Grunow, 1862 (uncertain, unassessed)
    » Variety Campylodiscus noricus var. genuinus Kirchner, 1878 (uncertain, unassessed)
    » Variety Campylodiscus noricus var. hungarica Pantocsek, 1902 (uncertain, unassessed)
    » Variety Campylodiscus noricus var. noricus Ehrenberg ex Kützing, 1844 (uncertain, unassessed)
    » Variety Campylodiscus noricus var. striolatus Meister, 1912 (uncertain, unassessed)
    » Variety Campylodiscus noricus var. sublaevis Meister, 1912 (uncertain, unassessed)
    » Variety Campylodiscus noricus var. undulatus Lupikina & Makarova, 1985 (uncertain, unassessed)
  » Species Campylodiscus normannicus
  » Species Campylodiscus ornatus Greville
    » Variety Campylodiscus ornatus var. altar Brun, 1891 (uncertain, unassessed)
    » Variety Campylodiscus ornatus var. amphileia Grunow in Schmidt et al., 1877 (uncertain, unassessed)
    » Variety Campylodiscus ornatus var. elaborata H. Peragallo in Tempère & Peragallo, 1909 (uncertain, unassessed)
    » Variety Campylodiscus ornatus var. indicus Desikachary & Prema, 1987 (uncertain, unassessed)
    » Variety Campylodiscus ornatus var. mesoleia Grunow in Schmidt et al., 1877 (uncertain, unassessed)
    » Variety Campylodiscus ornatus var. ornatus Greville, 1863 (uncertain, unassessed)
  » Species Campylodiscus punctulatus Grunow
  » Species Campylodiscus ralfsii W.Smith, 1853
  » Species Campylodiscus simulans Gregory, 1857
    » Forma Campylodiscus simulans f. minuta Grunow, 1867 (uncertain, unassessed)
    » Variety Campylodiscus simulans var. lemniscata Forti in Tempère & Peragallo, 1914 (uncertain, unassessed)
    » Variety Campylodiscus simulans var. simulans Gregory, 1857 (uncertain, unassessed)
  » Species Campylodiscus sinensis B.Wu, Q.Liu & Q.X.Wang, 2013
  » Species Campylodiscus teniatus
  » Species Campylodiscus wallichianus Greville
  » Species Campylodiscus ambiguus Greville, 1860 represented as Coronia ambigua (Greville) Ruck & Guiry, 2016
    » Variety Campylodiscus ambiguus var. ambiguus Greville, 1860 (uncertain, unassessed)
    » Variety Campylodiscus ambiguus var. upolensis Grunow in Schmidt et al., 1877 (uncertain, unassessed)
  » Species Campylodiscus amphileia (Grunow in Schmidt et al.) Deby, 1891 represented as Campylodiscus ornatus var. amphileia Grunow in Schmidt et al., 1877
  » Species Campylodiscus arabica Grunow in Schmidt et al. according to DeToni, 1892 represented as Campylodiscus bicostatus var. arabica Grunow in Schmidt et al., 1877
  » Species Campylodiscus baldjickianus Grunow in Schmidt et al. according to Mills, 1933 represented as Campylodiscus thuretii var. baldjikiana Grunow in Schmidt et al., 1877
  » Species Campylodiscus briocensis Schmidt in Schmidt et al. according to DeToni, 1892 represented as Campylodiscus eximius var. briocensis Schmidt in Schmidt et al., 1877
  » Species Campylodiscus daemelianus Grunow represented as Coronia daemeliana (Grunow) Ruck & Guiry, 2016
  » Species Campylodiscus decorus Brébisson, 1854 represented as Coronia decora (Brébisson) Ruck & Guiry, 2016
    » Variety Campylodiscus decorus var. ralfsii (W.Smith) Kisselev, 1950 represented as Campylodiscus ralfsii var. ralfsii W. Smith, 1853
    » Forma Campylodiscus decorus f. minima Van Heurck, 1896 (uncertain, unassessed)
    » Variety Campylodiscus decorus var. decorus Brébisson, 1854 (uncertain, unassessed)
    » Variety Campylodiscus decorus var. eudecora Peragallo & Peragallo, 1899 (uncertain, unassessed)
    » Variety Campylodiscus decorus var. pinnatus H. Peragallo, 1888 (uncertain, unassessed)
    » Variety Campylodiscus decorus var. primata Peragallo & Peragallo, 1911 (uncertain, unassessed)
  » Species Campylodiscus echeneis Ehrenberg ex Kützing, 1844 represented as Coronia echeneis (Ehrenberg ex Kützing) Ehrenberg, 1912
  » Species Campylodiscus elegans (Ehrenberg) Ralfs in Pritchard, 1861 represented as Surirella elegans f. elegans Ehrenberg, 1843
  » Species Campylodiscus flexuosa (Ehrenberg) Ralfs in Pritchard, 1861 represented as Surirella flexuosa Ehrenberg, 1843
  » Species Campylodiscus impressus Grunow, 1877 represented as Coronia impressa (Grunow) Ruck & Guiry, 2016 (unassessed)
  » Species Campylodiscus limbatus Brébisson, 1854 represented as Coronia limbata (Brébisson) Ruck & Guiry, 2016
    » Variety Campylodiscus limbatus var. astralis Eulenstein in A. Schmidt, 1875 (uncertain, unassessed)
    » Variety Campylodiscus limbatus var. chilensis Grunow in Schmidt et al., 1875 (uncertain, unassessed)
    » Variety Campylodiscus limbatus var. limbatus Brébisson, 1854 (uncertain, unassessed)
    » Variety Campylodiscus limbatus var. minuta Cleve, 1883 (uncertain, unassessed)
  » Species Campylodiscus massiliensis Grunow in Schmidt et al. according to DeToni, 1875 represented as Campylodiscus adriaticus var. massiliensis Grunow in Schmidt et al., 1875
  » Species Campylodiscus myodon (Ehrenberg) Ralfs in Pritchard, 1861 represented as Surirella myodon Ehrenberg, 1843
  » Species Campylodiscus neofastuosus Ruck & Nakov represented as Navicula fastuosa Ehrenberg, 1840
  » Species Campylodiscus patens (Schmidt) Ruck & Nakov represented as Surirella patens A.W.F.Schmidt
  » Species Campylodiscus peisonis (Grunow) Pantocsek, 1902 represented as Campylodiscus bicostatus var. peisonis Grunow, 1862
  » Species Campylodiscus pinnatus (H. Peragallo) Deby, 1891 represented as Campylodiscus decorus var. pinnatus H. Peragallo, 1888
  » Species Campylodiscus samoensis Grunow, 1875 represented as Coronia samoensis (Grunow) Ruck & Guiry, 2016
    » Variety Campylodiscus samoensis var. incerta according to Mills, 1933 (uncertain, unassessed)
    » Variety Campylodiscus samoensis var. samoensis Grunow in A. Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus scintillans (Brun) VanLandingham, 1968 represented as Campyloneis scintillans Brun, 1896
  » Species Campylodiscus spiralis (Kützing) R.Gutwinski, 1891 represented as Surirella spiralis f. spiralis Kützing, 1844
  » Species Campylodiscus superbus (Rabenhorst) Rabenhorst, 1864 represented as Calodiscus superbus Rabenhorst, 1853
  » Species Campylodiscus undulatus Greville represented as Coronia undulata (Brébisson) Ruck & Guiry, 2016
  » Species Campylodiscus upolensis (Grunow in Schmidt et al.) Deby, 1891 represented as Campylodiscus ambiguus var. upolensis Grunow in Schmidt et al., 1877
  » Species Campylodiscus vitiensis (Grunow in Schmidt et al.) Deby, 1891 represented as Campylodiscus notatus f. vitiensis Grunow in Schmidt et al., 1877
  » Species Campylodiscus horologium W.C.Williamson, 1848 accepted as Campyloneis horologium (Williamson) Nizamuddin, 1982
  » Species Campylodiscus spiralis (Kützing) W.Smith, 1851 accepted as Surirella spiralis Kützing, 1844
  » Species Campylodiscus thuretii Brébisson, 1854 accepted as Campylodiscus fastuosus Ehrenberg, 1845 (Synonym)
  » Species Campylodiscus adornatus Schmidt in Schmidt et al., 1877 (uncertain, unassessed)
  » Species Campylodiscus adriaticus Grunow (uncertain, unassessed)
  » Species Campylodiscus aemulus Schmidt in Schmidt et al., 1897 (uncertain, unassessed)
  » Species Campylodiscus aequatorialis Meister, 1932 (uncertain, unassessed)
  » Species Campylodiscus albifrons Brun, 1891 (uncertain, unassessed)
  » Species Campylodiscus alenizinii Borszczow ex Zabelina et al., 1951 (uncertain, unassessed)
  » Species Campylodiscus altar Brun, 1891 (uncertain, unassessed)
  » Species Campylodiscus americanus Ehrenberg, 1871 (uncertain, unassessed)
  » Species Campylodiscus amstelodamensis Harting, 1852 (uncertain, unassessed)
  » Species Campylodiscus anastomosus K.E. Lohman, 1957 (uncertain, unassessed)
  » Species Campylodiscus anceps Castracane, 1886 (uncertain, unassessed)
  » Species Campylodiscus arachnoides Harting, 1864 (uncertain, unassessed)
  » Species Campylodiscus aralensis Ehrenberg, 1872 (uncertain, unassessed)
  » Species Campylodiscus aralensis Kisselev, 1927 (uncertain, unassessed)
  » Species Campylodiscus areolatus Harting, 1852 (uncertain, unassessed)
  » Species Campylodiscus argus Bailey, 1851 (uncertain, unassessed)
  » Species Campylodiscus ascensionis Leuduger-Fortmorel, 1898 (uncertain, unassessed)
  » Species Campylodiscus atlanticus Tempère & Peragallo, 1889-1895 (uncertain, unassessed)
  » Species Campylodiscus aureola Eichwald, 1852 (uncertain, unassessed)
  » Species Campylodiscus australis Grunow in Schmidt et al., 1877 (uncertain, unassessed)
  » Species Campylodiscus balatonis Pantocsek, 1902 (uncertain, unassessed)
  » Species Campylodiscus balearicus Cleve in Schmidt et al., 1877 (uncertain, unassessed)
  » Species Campylodiscus balticus Cleve (uncertain, unassessed)
  » Species Campylodiscus bellus Schmidt in Schmidt et al., 1897 (uncertain, unassessed)
  » Species Campylodiscus bergonii Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus bicinctus Castracane, 1886 (uncertain, unassessed)
  » Species Campylodiscus bicostatus Grunow, 1862 (uncertain, unassessed)
  » Species Campylodiscus bicruciatus Gregory, 1857 (uncertain, unassessed)
  » Species Campylodiscus bifurcatus Schmidt in Schmidt et al., 1877 (uncertain, unassessed)
    » Variety Campylodiscus bifurcatus var. minor Desikachary & Prema, 1987 (uncertain, unassessed)
  » Species Campylodiscus bilateralis Mann, 1925 (uncertain, unassessed)
  » Species Campylodiscus bimarginatus Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus birostratus Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus biseriatus Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus bonapartii Pantocsek, 1912 (uncertain, unassessed)
  » Species Campylodiscus boryanus Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus brassayi Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus braziliensis Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus bremianus Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus brightwellii Grunow, 1862 (uncertain, unassessed)
    » Variety Campylodiscus brightwellii var. intermedius Grunow, 1867 (uncertain, unassessed)
  » Species Campylodiscus brightwellii Stodder, 1861 (uncertain, unassessed)
  » Species Campylodiscus bruneanus Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus cadoi Jerkovic, 1971 (uncertain, unassessed)
  » Species Campylodiscus calcar Leuduger-Fortmorel, 1892 (uncertain, unassessed)
  » Species Campylodiscus californicus Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus campechianus Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus canalisatus Tempère & Brun in Brun & Tempère, 1889 (uncertain, unassessed)
  » Species Campylodiscus carinatus Ehrenberg, 1875 (uncertain, unassessed)
  » Species Campylodiscus caspius Ehrenberg, 1872 (uncertain, unassessed)
  » Species Campylodiscus castillii Ehrenberg, 1869 (uncertain, unassessed)
  » Species Campylodiscus castracanei Janisch, 1888 (uncertain, unassessed)
  » Species Campylodiscus centralis Gregory, 1857 (uncertain, unassessed)
  » Species Campylodiscus cesatianus Rabenhorst, 1864 (uncertain, unassessed)
  » Species Campylodiscus challengerensis Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus chrysanthemum Brun in Brun & Tempère, 1889 (uncertain, unassessed)
  » Species Campylodiscus circularis Østrup, 1913 (uncertain, unassessed)
  » Species Campylodiscus circumactus A. Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus circumductus Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Campylodiscus clathratus Østrup, 1913 (uncertain, unassessed)
  » Species Campylodiscus clementii Jurilj, 1957 (uncertain, unassessed)
  » Species Campylodiscus clevei Peragallo & Peragallo, 1899 (uncertain, unassessed)
  » Species Campylodiscus clevei H. Peragallo in Tempère & Peragallo, 1908 (uncertain, unassessed)
  » Species Campylodiscus clevei Leuduger-Fortmorel, 1892 (uncertain, unassessed)
  » Species Campylodiscus clivosus Brun in Brun & Tempère, 1889 (uncertain, unassessed)
  » Species Campylodiscus clypeus (Ehrenberg) Ehrenberg ex Kützing, 1844 (uncertain, unassessed)
    » Subspecies Campylodiscus clypeus subsp. clypeus (Ehrenb.)
    » Forma Campylodiscus clypeus f. bicostata (W. Smith in Roper) Hustedt, 1930 represented as Campylodiscus bicostatus var. bicostatus W. Smith in Roper, 1854
    » Forma Campylodiscus clypeus f. minor (Pantocsek) Frenguelli, 1926 represented as Campylodiscus clypeus var. minor Pantocsek, 1912
    » Variety Campylodiscus clypeus var. clypeus (Ehrenberg) Kützing, 1844 represented as Cocconeis clypeus Ehrenberg, 1838
    » Variety Campylodiscus clypeus var. bicostata (W.Smith ex F.C.S.Roper) F.Hustedt, 1930 accepted as Campylodiscus bicostatus W.Smith ex F.C.S.Roper, 1854 (basionym)
    » Forma Campylodiscus clypeus f. densepunctata Tynni, 1986 (uncertain, unassessed)
    » Forma Campylodiscus clypeus f. minor Petkoff, 1932 (uncertain, unassessed)
    » Forma Campylodiscus clypeus f. minor Kisselev (uncertain, unassessed)
    » Variety Campylodiscus clypeus var. dentatus F.W. Mills, 1932 (uncertain, unassessed)
    » Variety Campylodiscus clypeus var. fossilis Pantocsek according to Mills (uncertain, unassessed)
    » Variety Campylodiscus clypeus var. hibernicus Chernov, 1947 (uncertain, unassessed)
    » Variety Campylodiscus clypeus var. minor Liebetanz, 1925 (uncertain, unassessed)
    » Variety Campylodiscus clypeus var. minor Pantocsek, 1912 (uncertain, unassessed)
    » Variety Campylodiscus clypeus var. sicula Forti in Tempère & Peragallo, 1914 (uncertain, unassessed)
  » Species Campylodiscus cocconeiformis Grunow, 1883 (uncertain, unassessed)
  » Species Campylodiscus cocconeiformis Cleve, 1883 (uncertain, unassessed)
  » Species Campylodiscus collectus L.W. Bailey, 1861 (uncertain, unassessed)
  » Species Campylodiscus comptus Janisch, 1888 (uncertain, unassessed)
  » Species Campylodiscus concinnus Greville ex Ralfs in Pritchard, 1861 (uncertain, unassessed)
  » Species Campylodiscus contiguus Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus contortus Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus cooperi Habirshaw et al., 1877-1894 (uncertain, unassessed)
  » Species Campylodiscus coronilla Brun, 1891 (uncertain, unassessed)
  » Species Campylodiscus coruscus A. Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus costatus W.Smith, 1851 (uncertain, unassessed)
    » Variety Campylodiscus costatus var. beta W. Smith (uncertain, unassessed)
    » Variety Campylodiscus costatus var. punctatus Schumann, 1867 (uncertain, unassessed)
  » Species Campylodiscus costatus Grunow, 1862 (uncertain, unassessed)
  » Species Campylodiscus crassus Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus crebrecostatus Greville (uncertain, unassessed)
    » Variety Campylodiscus crebrecostatus var. crebrecostatus Greville, 1863 (uncertain, unassessed)
    » Variety Campylodiscus crebrecostatus var. kinkerianus Deby, 1891 (uncertain, unassessed)
    » Variety Campylodiscus crebrecostatus var. minor Petit, 1903 (uncertain, unassessed)
    » Variety Campylodiscus crebrecostatus var. speciosa Eulenstein in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus crebrestriatus Greville, 1863 (uncertain, unassessed)
  » Species Campylodiscus cribrosus W.Smith, 1853 (uncertain, unassessed)
  » Species Campylodiscus cripanthemum Brun (uncertain, unassessed)
  » Species Campylodiscus crux Hendey, 1939 (uncertain, unassessed)
  » Species Campylodiscus debyi Leuduger-Fortmorel, 1892 (uncertain, unassessed)
  » Species Campylodiscus decorus Cleve in Schmidt et al., 1897 (uncertain, unassessed)
  » Species Campylodiscus degenii Pantocsek, 1909 (uncertain, unassessed)
  » Species Campylodiscus densecostatus Cleve, 1883 (uncertain, unassessed)
  » Species Campylodiscus dentatus Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus detonianus Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus dilatatus Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus diplostictus Norman ex Greville, 1860 (uncertain, unassessed)
  » Species Campylodiscus divisus Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Campylodiscus doegeanus Deby in litt., 1891 (uncertain, unassessed)
  » Species Campylodiscus dubius Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Campylodiscus echinatus Jurilj, 1948 (uncertain, unassessed)
  » Species Campylodiscus ehrenbergii Ralfs in Pritchard, 1861 (uncertain, unassessed)
  » Species Campylodiscus eiowanus Ehrenberg, 1856 (uncertain, unassessed)
  » Species Campylodiscus eisenii Grunow (uncertain, unassessed)
  » Species Campylodiscus emarginatus Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus erosus Castracane, 1886 (uncertain, unassessed)
  » Species Campylodiscus eulensteinii Pantocsek, 1889 (uncertain, unassessed)
  » Species Campylodiscus exiguus Grunow, 1862 (uncertain, unassessed)
  » Species Campylodiscus exilis Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus fenestratus Greville, 1857 (uncertain, unassessed)
  » Species Campylodiscus fenestratus Boroszcow in Zabelina et al., 1951 (uncertain, unassessed)
  » Species Campylodiscus flammiger Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Campylodiscus fluminensis Grunow, 1862 (uncertain, unassessed)
  » Species Campylodiscus fortii Tempere in Tempere & Peragallo, 1911 (uncertain, unassessed)
  » Species Campylodiscus fortis Leuduger-Fortmorel, 1891 (uncertain, unassessed)
  » Species Campylodiscus fragilis Skv. (uncertain, unassessed)
    » Variety Campylodiscus fragilis var. fragilis Skvortzow, 1937 (uncertain, unassessed)
    » Variety Campylodiscus fragilis var. punctata Skvortzow, 1937 (uncertain, unassessed)
    » Variety Campylodiscus fragilis var. rigens Skvortzow, 1937 (uncertain, unassessed)
  » Species Campylodiscus galapagensis Mann, 1907 (uncertain, unassessed)
  » Species Campylodiscus gibberosus Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Campylodiscus graeffei Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus granulatus Grunow in litt. (uncertain, unassessed)
  » Species Campylodiscus greenleafianus Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus gregorii H.Peragallo & M.Peragallo, 1899 (uncertain, unassessed)
  » Species Campylodiscus grevillii Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Campylodiscus groenlandicus Cleve, 1873 (uncertain, unassessed)
  » Species Campylodiscus grundleri Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus grunowii Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus guarujanus Zimmermann, 1918 (uncertain, unassessed)
  » Species Campylodiscus hardmanianus Greville (uncertain, unassessed)
    » Variety Campylodiscus hardmanianus var. grovii Deby, 1891 (uncertain, unassessed)
    » Variety Campylodiscus hardmanianus var. hardmanianus Greville in litt. 1866 ex Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus helianthus Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus heliophilus Ehrenberg, 1845 (uncertain, unassessed)
  » Species Campylodiscus heufleri Grunow, 1862 (uncertain, unassessed)
  » Species Campylodiscus hispidus Pantocsek, 1902 (uncertain, unassessed)
  » Species Campylodiscus humboldtii Ehrenberg, 1869 (uncertain, unassessed)
  » Species Campylodiscus humilis Castracane, 1886 (uncertain, unassessed)
  » Species Campylodiscus humilis Greville, 1865 (uncertain, unassessed)
  » Species Campylodiscus incertus Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus inconspicuus Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus indianorum Lange-Bertalot & Metzeltin, 1996 (uncertain, unassessed)
  » Species Campylodiscus indicus Ehrenberg, 1845 (uncertain, unassessed)
  » Species Campylodiscus innominatus R.Ross & Abdin, 1949 (uncertain, unassessed)
  » Species Campylodiscus inopinus Schmidt in Schmidt et al., 1897 (uncertain, unassessed)
  » Species Campylodiscus insignis Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Campylodiscus intermedius Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus interruptus Meister, 1937 (uncertain, unassessed)
  » Species Campylodiscus iyengarii Subrahmanyan, 1946 (uncertain, unassessed)
  » Species Campylodiscus japonicus Castracane, 1886 (uncertain, unassessed)
  » Species Campylodiscus jimboi Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus jurilji Hajós, 1973 (uncertain, unassessed)
  » Species Campylodiscus juriljii Jerkovic, 1971 (uncertain, unassessed)
  » Species Campylodiscus kerguelensis Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus kidstonii Pantocsek, 1889 (uncertain, unassessed)
  » Species Campylodiscus kinkeri Schmidt in Schmidt et al., 1897 (uncertain, unassessed)
  » Species Campylodiscus kittonianus Greville, 1860 (uncertain, unassessed)
    » Variety Campylodiscus kittonianus var. formosa Witt, 1873 (uncertain, unassessed)
    » Variety Campylodiscus kittonianus var. kittonianus Greville, 1860 (uncertain, unassessed)
    » Variety Campylodiscus kittonianus var. tenerus Witt, 1873 (uncertain, unassessed)
    » Variety Campylodiscus kittonianus var. zanzibarica Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus kuetzingii (uncertain, unassessed)
    » Variety Campylodiscus kuetzingii var. cocconeiformis Okuno, 1959 (uncertain, unassessed)
    » Variety Campylodiscus kuetzingii var. kuetzingii Harvey & J.W. Bailey, 1853 (uncertain, unassessed)
  » Species Campylodiscus larius Castracane, 1882 (uncertain, unassessed)
  » Species Campylodiscus lepidus Castracane, 1886 (uncertain, unassessed)
    » Variety Campylodiscus lepidus var. albifrons Brun, 1891 (uncertain, unassessed)
  » Species Campylodiscus levanderi Hustedt, 1925 (uncertain, unassessed)
  » Species Campylodiscus ligulosus Mann, 1925 (uncertain, unassessed)
  » Species Campylodiscus linearis Leuduger-Fortmorel, 1892 (uncertain, unassessed)
  » Species Campylodiscus lineatus Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus litorale 'Lemmermann' according to VanLandingham, 1968 (uncertain, unassessed)
  » Species Campylodiscus lorenzianus Grunow, 1862 (uncertain, unassessed)
  » Species Campylodiscus macassarensis Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus magocsyanus Pantocsek, 1909 (uncertain, unassessed)
  » Species Campylodiscus margaritarum Cleve, 1881 (uncertain, unassessed)
  » Species Campylodiscus marginatus Johnston, 1860 (uncertain, unassessed)
  » Species Campylodiscus marginatus Ehrenberg, 1845 (uncertain, unassessed)
    » Variety Campylodiscus marginatus var. marginatus Jurilj, 1948 (uncertain, unassessed)
    » Variety Campylodiscus marginatus var. rudis Jurilj, 1948 (uncertain, unassessed)
    » Variety Campylodiscus marginatus var. tenuis Jurilj, 1948 (uncertain, unassessed)
  » Species Campylodiscus margosinuatus Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus mediterraneus Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus mesoleia (Grunow in Schmidt et al.) DeToni, 1892 (uncertain, unassessed)
  » Species Campylodiscus mexicanus Ehrenberg, 1861 (uncertain, unassessed)
  » Species Campylodiscus micaulti Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Campylodiscus minutus Grunow, 1862 (uncertain, unassessed)
  » Species Campylodiscus mirabilis Leuduger-Fortmorel, 1892 (uncertain, unassessed)
  » Species Campylodiscus monterianus Grunow in Schmidt et al., 1897 (uncertain, unassessed)
  » Species Campylodiscus muelleri Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus nankoorensis Desikachary & Ranjitha Devi, 1986 (uncertain, unassessed)
  » Species Campylodiscus nanus Schumann, 1867 (uncertain, unassessed)
  » Species Campylodiscus neoclevei VanLandingham, 1968 (uncertain, unassessed)
  » Species Campylodiscus neogradensis Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus nitens Castracane, 1886 (uncertain, unassessed)
  » Species Campylodiscus noricus Schutt, 1896 (uncertain, unassessed)
  » Species Campylodiscus noricus Meister, 1912 (uncertain, unassessed)
  » Species Campylodiscus normanianus Greville, 1860 (uncertain, unassessed)
  » Species Campylodiscus normanicus 'Greville' Ralfs in Pritchard, 1861 (uncertain, unassessed)
  » Species Campylodiscus notatus Greville (uncertain, unassessed)
    » Forma Campylodiscus notatus f. minor Amossé, 1924 (uncertain, unassessed)
    » Forma Campylodiscus notatus f. minor Schmidt in Schmidt et al., 1877 (uncertain, unassessed)
    » Forma Campylodiscus notatus f. notatus Greville, 1860 (uncertain, unassessed)
    » Forma Campylodiscus notatus f. vitiensis Grunow in Schmidt et al., 1877 (uncertain, unassessed)
  » Species Campylodiscus obsoletus Cleve, 1885 (uncertain, unassessed)
  » Species Campylodiscus oceanicus Castracane, 1886 (uncertain, unassessed)
  » Species Campylodiscus orbicularis Castracane, 1886 (uncertain, unassessed)
  » Species Campylodiscus orbicularis Cleve, 1883 (uncertain, unassessed)
  » Species Campylodiscus orientalis Salah, 1967 (uncertain, unassessed)
  » Species Campylodiscus ovatus Ralfs, 1861 (uncertain, unassessed)
  » Species Campylodiscus pacificus Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus panduriger A. Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus pantocsekii Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus papillosus Hustedt, 1942 (uncertain, unassessed)
  » Species Campylodiscus parvulus W.Smith, 1851 (uncertain, unassessed)
  » Species Campylodiscus peragallii Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus peramplus Cleve, 1881 (uncertain, unassessed)
  » Species Campylodiscus perspicuus Mann, 1925 (uncertain, unassessed)
  » Species Campylodiscus pervulsus Jurilj, 1948 (uncertain, unassessed)
  » Species Campylodiscus pfitzeri A. Schmidt, 1874 (uncertain, unassessed)
  » Species Campylodiscus phalangium Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus philippinarum Castracane, 1886 (uncertain, unassessed)
  » Species Campylodiscus polaris Ehrenberg, 1872 (uncertain, unassessed)
  » Species Campylodiscus prentissi Hanna & Grant, 1926 (uncertain, unassessed)
  » Species Campylodiscus productus Johnston, 1860 (uncertain, unassessed)
  » Species Campylodiscus pseudoclypeus Pantocsek, 1912 (uncertain, unassessed)
  » Species Campylodiscus pseudowallichianus Ricard, 1975 (uncertain, unassessed)
  » Species Campylodiscus pulchellus Leuduger-Fortmorel, 1892 (uncertain, unassessed)
  » Species Campylodiscus punctatus Bleisch, 1860 (uncertain, unassessed)
    » Variety Campylodiscus punctatus var. aralensis Borszczow in Zabelina et al., 1951 (uncertain, unassessed)
    » Variety Campylodiscus punctatus var. punctatus Grunow (uncertain, unassessed)
  » Species Campylodiscus punctulatoides Ricard, 1975 (uncertain, unassessed)
  » Species Campylodiscus quarnerensis Grunow, 1862 (uncertain, unassessed)
  » Species Campylodiscus rabenhorstianus C.Janisch (uncertain, unassessed)
  » Species Campylodiscus rabenhorstii Janisch ex Grunow, 1862 (uncertain, unassessed)
    » Variety Campylodiscus rabenhorstii var. alpha Schmidt, 1877 (uncertain, unassessed)
    » Variety Campylodiscus rabenhorstii var. beta Schmidt in Schmidt et al., 1877 (uncertain, unassessed)
    » Variety Campylodiscus rabenhorstii var. coronilla Brun, 1891 (uncertain, unassessed)
  » Species Campylodiscus radians Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Campylodiscus radiatus Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Campylodiscus radiolatus Ehrenberg, 1843 (uncertain, unassessed)
  » Species Campylodiscus radiosus Ehrenberg ex Kützing, 1844 (uncertain, unassessed)
  » Species Campylodiscus radiosus J.-J.Brun (uncertain, unassessed)
  » Species Campylodiscus raeanus Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus raenus Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus ralfsii Gregory, 1857 (uncertain, unassessed)
  » Species Campylodiscus rattrayanus Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus remora Ehrenberg ex Kützing, 1844 (uncertain, unassessed)
  » Species Campylodiscus reticulatus Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus rivalis Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus rivulosus Tempère & Brun in Brun & Tempère, 1889 (uncertain, unassessed)
  » Species Campylodiscus robertsianus Greville, 1863 (uncertain, unassessed)
  » Species Campylodiscus rockefellerianus Pantocsek, 1909 (uncertain, unassessed)
  » Species Campylodiscus rotula Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus rutilus Skvortzow, 1937 (uncertain, unassessed)
  » Species Campylodiscus sabinii Ehrenberg, 1872 (uncertain, unassessed)
  » Species Campylodiscus sauerbeckii Grundler in Schmidt et al., 1877 (uncertain, unassessed)
  » Species Campylodiscus scalaris Tempère & Brun in Brun & Tempère, 1889 (uncertain, unassessed)
  » Species Campylodiscus schleinitzii Janisch in Schmidt et al., 1877 (uncertain, unassessed)
  » Species Campylodiscus schmidtii Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus siculus Forti in Tempère & Peragallo, 1914 (uncertain, unassessed)
  » Species Campylodiscus signatus Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Campylodiscus similis Janisch, 1888 (uncertain, unassessed)
  » Species Campylodiscus simplex Tempère & Brun in Brun & Tempère, 1889 (uncertain, unassessed)
  » Species Campylodiscus singularis A. Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus socialis Witt, 1873 (uncertain, unassessed)
  » Species Campylodiscus sonderianus Grunow ex Möller, 1868 (uncertain, unassessed)
  » Species Campylodiscus speculum Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Campylodiscus spinosus Jurilj, 1948 (uncertain, unassessed)
  » Species Campylodiscus squamosus Pantocsek (uncertain, unassessed)
  » Species Campylodiscus stellatiformis Azpeitia, 1911 (uncertain, unassessed)
  » Species Campylodiscus stellatus Greville, 1859 (uncertain, unassessed)
  » Species Campylodiscus stellula Schumann, 1867 (uncertain, unassessed)
  » Species Campylodiscus striatus Ehrenberg ex Kützing, 1844 (uncertain, unassessed)
  » Species Campylodiscus striatus Jurilj, 1948 (uncertain, unassessed)
  » Species Campylodiscus striatus Brightwell, 1859 (uncertain, unassessed)
  » Species Campylodiscus striolatus Grunow in Schmidt et al., 1877 (uncertain, unassessed)
  » Species Campylodiscus studeri Janisch, 1888 (uncertain, unassessed)
  » Species Campylodiscus subangularis Cleve & Möller in Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus sumatrensis Leuduger-Fortmorel, 1892 (uncertain, unassessed)
  » Species Campylodiscus sumbawanus Schmidt in Schmidt et al., 1897 (uncertain, unassessed)
  » Species Campylodiscus surirella Ehrenberg, 1845 (uncertain, unassessed)
  » Species Campylodiscus szakalensis Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus szontaghii Pantocsek, 1892 (uncertain, unassessed)
  » Species Campylodiscus tabulatus Schmidt in Schmidt et al., 1877 (uncertain, unassessed)
  » Species Campylodiscus taeniatus Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus taenioides Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus tanganicae Hustedt, 1942 (uncertain, unassessed)
  » Species Campylodiscus tauricus Missuna, 1914 (uncertain, unassessed)
  » Species Campylodiscus tener Ehrenberg, 1872 (uncertain, unassessed)
  » Species Campylodiscus tenera Mayer, 1929 (uncertain, unassessed)
  » Species Campylodiscus thumii Leuduger-Fortmorel, 1892 (uncertain, unassessed)
  » Species Campylodiscus tiburicus Hauck & Richter, 1894 (uncertain, unassessed)
  » Species Campylodiscus tortuosus Meister, 1937 (uncertain, unassessed)
  » Species Campylodiscus toulae (uncertain, unassessed)
  » Species Campylodiscus transylvanica Pantocsek ex Möller, 1868 (uncertain, unassessed)
  » Species Campylodiscus trapezoidalis Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus triumphans Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Campylodiscus undulatus Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Campylodiscus varicans Arnoldi, 1928 (uncertain, unassessed)
  » Species Campylodiscus vermiculatus Tempère in Bergon et al., 1890 (uncertain, unassessed)
  » Species Campylodiscus vitricavus Tempère & Brun in Brun & Tempère, 1889 (uncertain, unassessed)
  » Species Campylodiscus vitrifacies Brun & Tempère (uncertain, unassessed)
  » Species Campylodiscus vulcanius Ehrenberg, 1844 (uncertain, unassessed)
  » Species Campylodiscus wdaemelianus Bening, 1934 (uncertain, unassessed)
  » Species Campylodiscus weissflogii Deby, 1891 (uncertain, unassessed)
  » Species Campylodiscus zahnii Pantocsek, 1909 (uncertain, unassessed)
  » Species Campylodiscus zebuanus Castracane, 1886 (uncertain, unassessed)
  » Species Campylodiscus zonalis Philips, 1846 (uncertain, unassessed)
Genus Cymatopleura W. Smith, 1851
  » Species Cymatopleura baicalsolea Kulikovskiy & Lange-Bertalot in Kulikovskiy et al., 2015
  » Species Cymatopleura brunii Petit in Lortet, 1883
  » Species Cymatopleura buryatica Kulikovskiy & Lange-Bertalot in Kulikovskiy et al., 2015
  » Species Cymatopleura comperei C.Cocquyt & R.Jahn, 2014
  » Species Cymatopleura internationalis L.Bahls, 2013
  » Species Cymatopleura pseudokinkeri Kulikovskiy & Lange-Bertalot in Kulikovskiy et al., 2015
  » Species Cymatopleura xinjiangiana You & Kociolek in You et al., 2017
  » Species Cymatopleura aquastudia Kociolek & You in You et al., 2017 represented as Surirella aquastudia (Kociolek & Q.You) Kociolek in Liu et al., 2020
  » Species Cymatopleura constricta (Grunow) Meister, 1912 represented as Cymatopleura elliptica var. constricta Grunow, 1862
    » Forma Cymatopleura constricta f. constricta Rauschenbach, 1921 (uncertain, unassessed)
    » Forma Cymatopleura constricta f. spiralis Rauschenbach, 1921 (uncertain, unassessed)
  » Species Cymatopleura heterocyma (Naegeli in Kützing) Ralfs in Pritchard, 1861 represented as Surirella heterocyma Naegeli in Kützing, 1849
  » Species Cymatopleura hibernica W.Smith, 1851 represented as Surirella hibernica (W.Smith) D.Kapustin & O.Kryvosheia in Kryosheia & Kapustin, 2019 (unassessed)
    » Variety Cymatopleura hibernica var. major M. Peragallo in Héribaud, 1893 (uncertain, unassessed)
    » Variety Cymatopleura hibernica var. rhombica H.H.Chase (uncertain, unassessed)
  » Species Cymatopleura librile (Ehrenberg) Pantocsek, 1902 represented as Navicula librile Ehrenberg, 1832
  » Species Cymatopleura multifasciata (Kützing) Ralfs in Pritchard, 1861 represented as Frustulia multifasciata Kützing, 1833 (1834)
  » Species Cymatopleura ovum (Nägeli) Ralfs in Pritchard, 1861 represented as Surirella ovum Naegeli ex Kützing, 1849
  » Species Cymatopleura ovum (Naegeli in Kutzing) W. Smith, 1851 represented as Surirella ovum Naegeli ex Kützing, 1849
  » Species Cymatopleura plicata (Ehrenberg) Donkin, 1869 represented as Surirella plicata Ehrenberg, 1842
  » Species Cymatopleura plicata (Ehrenberg) Pantocsek, 1902 represented as Surirella plicata Ehrenberg, 1842
  » Species Cymatopleura regula (Ehrenberg) Ralfs in Pritchard, 1861 represented as Surirella regula Ehrenberg, 1843
  » Species Cymatopleura thermalis (Ehrenberg) Ralfs in Pritchard, 1861 represented as Navicula thermalis Ehrenberg, 1840
  » Species Cymatopleura undulata (Ehrenberg) Pantocsek, 1902 represented as Surirella undulata (Ehrenberg) Ehrenberg, 1845
  » Species Cymatopleura acutiformis Z.Levkov & T.Nakov, 2007 (uncertain, unassessed)
  » Species Cymatopleura albaregiensis (uncertain, unassessed)
  » Species Cymatopleura angulata Greville, 1862 (uncertain, unassessed)
  » Species Cymatopleura angulosa (uncertain, unassessed)
  » Species Cymatopleura apiculata W.Smith, 1853 (uncertain, unassessed)
  » Species Cymatopleura brunii Petit, 1895 (uncertain, unassessed)
  » Species Cymatopleura budensis Quint, 1906 (uncertain, unassessed)
  » Species Cymatopleura calcarata Hustedt in Schmidt, 1927 (uncertain, unassessed)
  » Species Cymatopleura campylodiscus J.W. Bailey in L.W. Bailey, 1861 (uncertain, unassessed)
  » Species Cymatopleura clipea Berg, 1945 (uncertain, unassessed)
  » Species Cymatopleura cochlea Brun, 1891 (uncertain, unassessed)
  » Species Cymatopleura contracta Balachonzew (Bolochonew), 1908 (uncertain, unassessed)
  » Species Cymatopleura echeneis Yakovlev, 1924 (uncertain, unassessed)
  » Species Cymatopleura elliptica Schumann, 1867 (uncertain, unassessed)
  » Species Cymatopleura elliptica Hustedt in Schmidt, 1912 (uncertain, unassessed)
  » Species Cymatopleura elliptica (Brébisson) W.Smith, 1851 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. elliptica
    » Variety Cymatopleura elliptica var. nobilis (Hantzsch) Hustedt, 1912
    » Forma Cymatopleura elliptica f. constricta (Grunow) Van der Werff en Huls, 1957 represented as Cymatopleura elliptica var. constricta Grunow, 1862
    » Forma Cymatopleura elliptica f. constricta (Grunow) Skabichevskii, 1960 represented as Cymatopleura elliptica var. constricta Grunow, 1862
    » Forma Cymatopleura elliptica f. discoidea (Wislouch & Kolbe) Skabichevskii, 1960 represented as Cymatopleura elliptica var. discoidea Wislouch & Kolbe, 1927
    » Forma Cymatopleura elliptica f. elliptica (Brebisson ex Kutzing) W. Smith, 1851 represented as Surirella elliptica var. elliptica Brébisson ex Kützing, 1844
    » Forma Cymatopleura elliptica f. nobilis (Hantzsch) Van der Werff en Huls, 1957 represented as Cymatopleura nobilis Hantzsch, 1860
    » Forma Cymatopleura elliptica f. nobilis (Hantzsch) Hustedt in Schmidt et al., 1912 represented as Cymatopleura nobilis Hantzsch, 1860
    » Variety Cymatopleura elliptica var. angulata (Greville) Cleve-Euler, 1932 represented as Cymatopleura angulata Greville, 1862
    » Variety Cymatopleura elliptica var. brunii (Petit) Cleve-Euler, 1952 represented as Cymatopleura brunii Petit, 1895
    » Variety Cymatopleura elliptica var. brunii (Petit in Brun) Meister, 1912 represented as Cymatopleura brunii Petit, 1895
    » Variety Cymatopleura elliptica var. brunii (P. Petit in Brun) J. Brun, 1901 represented as Cymatopleura brunii Petit, 1895
    » Variety Cymatopleura elliptica var. gigantea (Pantocsek) Meister, 1912 represented as Cymatopleura gigantea Pantocsek, 1892
    » Variety Cymatopleura elliptica var. hibernica (W.Smith) Hustedt represented as Cymatopleura hibernica W.Smith, 1851
    » Variety Cymatopleura elliptica var. turicensis (Meister) Cleve-Euler in Backman & Cleve-Euler, 1922 represented as Cymatopleura turicensis Meister, 1912
    » Variety Cymatopleura elliptica var. turicensis (Meister) Cleve-Euler, 1952 represented as Cymatopleura turicensis Meister, 1912
    » Forma Cymatopleura elliptica f. apiculata Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Cymatopleura elliptica f. curta Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Cymatopleura elliptica f. imperfecta Cleve-Euler, 1932 (uncertain, unassessed)
    » Forma Cymatopleura elliptica f. lata Hustedt in Schmidt, 1912 (uncertain, unassessed)
    » Forma Cymatopleura elliptica f. minor Dippel, 1905 (uncertain, unassessed)
    » Forma Cymatopleura elliptica f. nobilis (Hantzsch) Hustedt, 1957 (uncertain, unassessed)
    » Forma Cymatopleura elliptica f. spiralis Boyer, 1916 (uncertain, unassessed)
    » Forma Cymatopleura elliptica f. subconstricta Van Heurck, 1881 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. braunii Kirejeva, 1927 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. brunii Cleve-Euler, 1932 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. brunii [sensu] Meister, 1912 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. constricta Grunow, 1862 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. discoidea Wislouch & Kolbe, 1927 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. fracta Schumann, 1867 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. genuina Meister, 1912 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. genuina Grunow, 1862 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. granulata Castracane, 1894 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. hystrix Pantocsek, 1902 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. incisa Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. minor Tempère & Peragallo, 1912 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. ovata Grunow, 1862 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. parallela Istvánffi, 1897 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. rhomboides Grunow, 1862 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. sinica Skvortzov, 2012 (uncertain)
    » Variety Cymatopleura elliptica var. subconstricta Tempère & Peragallo, 1889-1895 (uncertain, unassessed)
    » Variety Cymatopleura elliptica var. torta Tempère & Peragallo, 1913 (uncertain, unassessed)
  » Species Cymatopleura gigantea Pantocsek, 1892 (uncertain, unassessed)
  » Species Cymatopleura gracilis Pantocsek, 1892 (uncertain, unassessed)
  » Species Cymatopleura hystrix Pantocsek, 1902 (uncertain, unassessed)
  » Species Cymatopleura intermedia Peragallo & Peragallo, 1899 (uncertain, unassessed)
  » Species Cymatopleura kinkeri Pantocsek, 1892 (uncertain, unassessed)
  » Species Cymatopleura kolbei Skvortzow, 1969 (uncertain, unassessed)
  » Species Cymatopleura kolbei Skvortzow, 1971 (uncertain, unassessed)
  » Species Cymatopleura lorenziana Grunow, 1862 (uncertain, unassessed)
  » Species Cymatopleura mannii M. Peragallo in Tempère & Peragallo, 1909 (uncertain, unassessed)
  » Species Cymatopleura marchica Hermann in Rabenhorst, 1868 (uncertain, unassessed)
  » Species Cymatopleura marina Lewis, 1862 (uncertain, unassessed)
  » Species Cymatopleura martyi Héribaud, 1903 (uncertain, unassessed)
    » Variety Cymatopleura martyi var. pontis-gaili M. Peragallo, 1920 (uncertain, unassessed)
  » Species Cymatopleura nobilis Hantzsch, 1860 (uncertain, unassessed)
  » Species Cymatopleura nyansae G.S.West, 1907 (uncertain, unassessed)
  » Species Cymatopleura ocrllata Brébisson (uncertain, unassessed)
  » Species Cymatopleura ovalis Woloszynska, 1921 (uncertain, unassessed)
  » Species Cymatopleura parallela W. Smith, 1853 (uncertain, unassessed)
  » Species Cymatopleura pygmaea Pantocsek, 1902 (uncertain, unassessed)
  » Species Cymatopleura semsey Pantocsek, 1909 (uncertain, unassessed)
  » Species Cymatopleura shulzei C.S. Boyer, 1909 (uncertain, unassessed)
  » Species Cymatopleura sinensis Skvortzow, 1927 (uncertain, unassessed)
  » Species Cymatopleura solea Van Heurck, 1881 (uncertain, unassessed)
  » Species Cymatopleura solea (Ehrenberg) Skabichevskii, 1960 (uncertain, unassessed)
  » Species Cymatopleura solea (Brébisson) W.Smith, 1851 (uncertain, unassessed)
    » Forma Cymatopleura solea f. baicalensis (Skvortzow & Meyer) Zabelina et al., 1951 represented as Cymatopleura solea var. baicalensis Skvortzow & Meyer, 1928
    » Forma Cymatopleura solea f. regula (Ehrenberg) Hustedt, 1957 represented as Surirella regula Ehrenberg, 1843
    » Variety Cymatopleura solea var. albaregiensis (Pantocsek) Cleve-Euler in Backman & Cleve-Euler, 1922 represented as Surirella albaregiensis Pantocsek, 1902
    » Variety Cymatopleura solea var. apiculata (W.Smith) Ralfs, 1861 represented as Cymatopleura apiculata W.Smith, 1853
    » Variety Cymatopleura solea var. gracilis (Pantocsek) F.W. Mills, 1934 represented as Cymatopleura gracilis Pantocsek, 1892
    » Variety Cymatopleura solea var. intermedia (Peragallo & Peragallo) Cleve-Euler represented as Cymatopleura intermedia Peragallo & Peragallo, 1899
    » Variety Cymatopleura solea var. kochii (Pantocsek) Cleve-Euler, 1952 represented as Surirella kochii Pantocsek, 1892
    » Variety Cymatopleura solea var. palffyi (Pantocsek) Cleve-Euler, 1952 represented as Surirella palffyi Pantocsek, 1902
    » Variety Cymatopleura solea var. parallela (W. Smith) Cleve-Euler, 1853 represented as Cymatopleura parallela W. Smith, 1853
    » Variety Cymatopleura solea var. pygmaea (Pantocsek) Zanon, 1929 represented as Cymatopleura pygmaea Pantocsek, 1902
    » Variety Cymatopleura solea var. pygmaea (Pantocsek) Meister, 1912 represented as Cymatopleura pygmaea Pantocsek, 1902
    » Variety Cymatopleura solea var. regula (Ehrenberg) Grunow, 1862 represented as Surirella regula Ehrenberg, 1843
    » Forma Cymatopleura solea f. angulosa Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Cymatopleura solea f. anormalis Østrup, 1910 (uncertain, unassessed)
    » Forma Cymatopleura solea f. apiculata Tripolitova, 1928 (uncertain, unassessed)
    » Forma Cymatopleura solea f. baicalensis Skvortzow & Meyer, 1928 (uncertain, unassessed)
    » Forma Cymatopleura solea f. curta Skvortzow, 1971 (uncertain, unassessed)
    » Forma Cymatopleura solea f. lata Mayer, 1913 (uncertain, unassessed)
    » Forma Cymatopleura solea f. major Otto Müller, 1903 (uncertain, unassessed)
    » Forma Cymatopleura solea f. marina according to Cleve-Euler (uncertain, unassessed)
    » Forma Cymatopleura solea f. minor Otto Müller, 1903 (uncertain, unassessed)
    » Forma Cymatopleura solea f. minor Otto Muller in Schmidt et al., 1904 (uncertain, unassessed)
    » Forma Cymatopleura solea f. minuta Mayer, 1913 (uncertain, unassessed)
    » Forma Cymatopleura solea f. reducta Cleve-Euler, 1932 (uncertain, unassessed)
    » Forma Cymatopleura solea f. robusta Koslowski, 1888-1890 (uncertain, unassessed)
    » Forma Cymatopleura solea f. solea (Brebisson in Brebisson & Godey) W. Smith, 1851 (uncertain, unassessed)
    » Forma Cymatopleura solea f. striolata Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Cymatopleura solea var. angusta Hustedt, 1925 (uncertain, unassessed)
    » Variety Cymatopleura solea var. baicalensis Skvortzow & Meyer, 1928 (uncertain, unassessed)
    » Variety Cymatopleura solea var. clavata Otto Müller, 1903 (uncertain, unassessed)
    » Variety Cymatopleura solea var. crassa Meister, 1912 (uncertain, unassessed)
    » Variety Cymatopleura solea var. ehrenbergii Brébisson, 1870 (uncertain, unassessed)
    » Variety Cymatopleura solea var. elegans Virieux, 1913 (uncertain, unassessed)
    » Variety Cymatopleura solea var. elongata Meister, 1912 (uncertain, unassessed)
    » Variety Cymatopleura solea var. genuina Kirchner, 1878 (uncertain, unassessed)
    » Variety Cymatopleura solea var. gracilis Grunow, 1862 (uncertain, unassessed)
    » Variety Cymatopleura solea var. graciloides Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Cymatopleura solea var. hankensis Skvortzow, 1929 (uncertain, unassessed)
    » Variety Cymatopleura solea var. jeniseyensis Skvortzow, 1971 (uncertain, unassessed)
    » Variety Cymatopleura solea var. lata Meister, 1912 (uncertain, unassessed)
    » Variety Cymatopleura solea var. lata Eldarova-Sergejeva, 1913 (uncertain, unassessed)
    » Variety Cymatopleura solea var. laticeps O.Müller, 1904 (uncertain, unassessed)
    » Variety Cymatopleura solea var. librile Brébisson, 1870 (uncertain, unassessed)
    » Variety Cymatopleura solea var. longa Eldarova-Sergejeva, 1913 (uncertain, unassessed)
    » Variety Cymatopleura solea var. marginata Jurilj, 1957 (uncertain, unassessed)
    » Variety Cymatopleura solea var. obtusata Jurilj, 1948 (uncertain, unassessed)
    » Variety Cymatopleura solea var. operculata Plutenko, 1871 (uncertain, unassessed)
    » Variety Cymatopleura solea var. pfuhlii Torka, 1909 (uncertain, unassessed)
    » Variety Cymatopleura solea var. ploenensis Castracane, 1894 (uncertain, unassessed)
    » Variety Cymatopleura solea var. regula Mayer, 1917 (uncertain, unassessed)
    » Variety Cymatopleura solea var. robusta Rabenhorst, 1864 (uncertain, unassessed)
    » Variety Cymatopleura solea var. rugosa O.Müller, 1904 (uncertain, unassessed)
    » Variety Cymatopleura solea var. subconstricta O.Müller, 1903 (uncertain, unassessed)
    » Variety Cymatopleura solea var. vulgaris Meister, 1912 (uncertain, unassessed)
  » Species Cymatopleura spiralis Chase ex Boyer, 1927 (uncertain, unassessed)
  » Species Cymatopleura spiralis A. Behning in W. Rauschenbach & A. Behning, 1912 (uncertain, unassessed)
  » Species Cymatopleura turicensis Meister, 1912 (uncertain, unassessed)
  » Species Cymatopleura vulgaris Kirejeva, 1927 (uncertain, unassessed)
Genus Hydrosilicon J. Brun, 1891
  » Species Hydrosilicon rimosa (O'Meara) Brun, 1891 represented as Amphiprora rimosa O'Meara, 1871
  » Species Hydrosilicon mitra Brun, 1891 (uncertain, unassessed)
Genus Iconella A. Jurilj, 1949
  » Species Iconella amphioxys (W.Smith) D.Kapustin & O.Kryvosheia in Kryosheia & Kapustin, 2019
  » Species Iconella kerguelensis (Grunow) Cocquyt & Van de Vijver, 2018
  » Species Iconella aculeata (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella aculeata Hustedt in Schmidt et al., 1924
  » Species Iconella acuminata (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella acuminata F.Hustedt
  » Species Iconella africani-orientalis (Cocquyt & R. Jahn, 2005) Cocquyt & R. Jahn, 2017 represented as Surirella africani-orientalis C.Cocquyt & R.Jahn, 2005
  » Species Iconella agonaensis (Foged) Cocquyt & R. Jahn, 2017 represented as Surirella agonaensis Foged, 1966
  » Species Iconella alata (Hustedt, 1942) D. Kapustin & Kulikovskiy, 2018 represented as Surirella alata Hustedt, 1942
  » Species Iconella anassae (Cholnoky) Cocquyt & R. Jahn, 2017 represented as Surirella anassae Cholnoky, 1957
  » Species Iconella angusta (Hustedt, 1938) D. Kapustin & Kulikovskiy, 2018 represented as Surirella elegans f. angusta Hustedt, 1938
  » Species Iconella angusticostata (Hustedt, 1937) D. Kapustin & Kulikovskiy, 2018 represented as Surirella angusticostata Hustedt, 1937
  » Species Iconella angustiformis (Hustedt, 1942) D. Kapustin & Kulikovskiy, 2018 represented as Surirella angustiformis Hustedt, 1942
  » Species Iconella approximata (Woodhead & Tweed ex Cocquyt, Jüttner & Kusber) Cocquyt, Jüttner & Kusber, 2017 represented as Surirella approximata N.Woodhead & R.D.Tweed, 1958
  » Species Iconella armata (Hustedt, 1937) D. Kapustin & Kulikovskiy, 2018 represented as Surirella robusta var. armata Hustedt, 1937
  » Species Iconella bifrons (Ehrenberg) Ruck & Nakov represented as Surirella bifrons Ehrenberg
  » Species Iconella biseriata (Brébisson) Ruck & Nakov represented as Surirella biseriata Brébisson, 1835
  » Species Iconella bonsaensis (Foged) Cocquyt & R. Jahn, 2017 represented as Surirella bonsaensis Foged, 1966
  » Species Iconella brevicostata (O. Müll.) Cocquyt & R. Jahn, 2017 represented as Surirella brevicostata O.Müller
  » Species Iconella capronii (Brébisson & Kitton) Ruck & Nakov represented as Surirella capronii Brébisson & Kitton in Kitton, 1869
  » Species Iconella cataractarum (Cocquyt & J.C. Taylor) Cocquyt & J.C. Taylor, 2017 represented as Stenopterobia cataractarum C.Cocquyt & J.C.Taylor, 2014
  » Species Iconella celebesiana (Hustedt, 1942) D. Kapustin & Kulikovskiy, 2018 represented as Surirella celebesiana Hustedt
  » Species Iconella chasei (Cholnoky) Cocquyt & R. Jahn, 2017 represented as Surirella chasei Cholnoky, 1954
  » Species Iconella chepurnovii (Cocquyt & R. Jahn) Cocquyt & R. Jahn, 2017 represented as Surirella chepurnovii C. Cocquyt & R. Jahn, 2007
  » Species Iconella cincta (Jurilj) Ruck & Nakov represented as Surirella cincta Jurilj, 1954
  » Species Iconella coei (Cholnoky ex Cocquyt, J.C. Taylor & Kusber) Cocquyt, J.C. Taylor & Kusber, 2017 represented as Surirella coei Cholnoky, 1961
  » Species Iconella congolensis (Cocquyt & J.C. Taylor) Cocquyt & J.C. Taylor, 2017 represented as Surirella congolensis Cocquyt & J.C. Taylor, 2015
  » Species Iconella conversa (Hustedt, 1942) D. Kapustin & Kulikovskiy, 2018 represented as Surirella conversa Hustedt, 1942
  » Species Iconella crawfordii (Cocquyt & R. Jahn) Cocquyt & R. Jahn, 2017 represented as Surirella fuelleborni var. tumida Hustedt in Schmidt et al., 1924
  » Species Iconella curvula (W.Smith) Ruck & Nakov represented as Nitzschia curvula W.Smith, 1856
  » Species Iconella cuspidata (Hustedt, 1942) D. Kapustin & Kulikovskiy, 2018 represented as Surirella cuspidata Hustedt, 1942
  » Species Iconella debesii (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella debesi Hustedt in Schmidt et al., 1924
  » Species Iconella decipiens (Hustedt, 1942) D. Kapustin & Kulikovskiy, 2018 represented as Surirella decipiens Hustedt, 1942
  » Species Iconella delicatissima (F.W.Lewis) Ruck & Nakov, 2016 represented as Surirella delicatissima F.W.Lewis, 1864
  » Species Iconella dodowaensis (Foged) Cocquyt & R. Jahn, 2017 represented as Surirella dodowaensis Foged, 1966
  » Species Iconella dumae (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella dumae Hustedt in Schmidt et al., 1913
  » Species Iconella ebalensis (Cocquyt & J.C. Taylor) Cocquyt & J.C. Taylor, 2017 represented as Surirella ebalensis Cocquyt & J.C. Taylor, 2015
  » Species Iconella effusa (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella effusa Hustedt in Schmidt et al., 1925
  » Species Iconella elegantula (Hustedt, 1942) D. Kapustin & Kulikovskiy, 2018 represented as Surirella elegantula Hustedt, 1942
  » Species Iconella engleri (O. Müll.) Cocquyt & R. Jahn, 2017 represented as Surirella engleri O.Müller
  » Species Iconella ephippiomorpha (Bramb. & P. Ham., 2006) D. Kapustin & Kulikovskiy, 2018 represented as Surirella ephippiomorpha A.J.Bramburger & P.B.Hamilton, 2006
  » Species Iconella esamangensis (Foged) Cocquyt & R. Jahn, 2017 represented as Surirella esamangensis Foged, 1966
  » Species Iconella excellens (Hustedt, 1942) D. Kapustin & Kulikovskiy, 2018 represented as Surirella excellens Hustedt, 1942
  » Species Iconella fenestrellata (Bram. & P. Ham., 2006) D. Kapustin & Kulikovskiy, 2018 represented as Surirella fenestrellata A.J.Bramburger & P.B.Hamilton, 2006
  » Species Iconella feuerbornii (Hust.) D. Kapustin & Kulikovskiy represented as Surirella feuerborni Hustedt, 1935
  » Species Iconella fimbriata (Hust.) D. Kapustin & Kulikovskiy represented as Surirella fimbriata Hustedt, 1942
  » Species Iconella fonticola (Hust.) D. Kapustin & Kulikovskiy represented as Surirella fonticola Hustedt, 1938
  » Species Iconella friedelhinziae (Cocquyt & R. Jahn) Cocquyt & R. Jahn, 2017 represented as Surirella fuellebornii var. elliptica Otto Müller, 1903
  » Species Iconella fuellebornii (O. Müll.) Cocquyt & R. Jahn, 2017 represented as Surirella fuellebornii O.Müller
  » Species Iconella glabra (Jurilj) Ruck & Nakov represented as
  » Species Iconella gradifera (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella gradifera Hustedt in Schmidt et al., 1924
  » Species Iconella guatimalensis (Ehrenberg) Ruck & Nakov represented as Surirella guatimalensis Ehrenberg, 1854
  » Species Iconella heidenii (Hust.) Cocquyt & R. Jahn, 2017 represented as
  » Species Iconella helvetica (Brun) Ruck & Nakov represented as Surirella helvetica Brun, 1880
  » Species Iconella hibernica (Ehrenberg) Ruck & Nakov represented as Campylodiscus hibernicus Ehrenberg, 1845
  » Species Iconella horrida (Hust.) D. Kapustin & Kulikovskiy represented as Surirella horrida F.Hustedt
  » Species Iconella hustedtii D. Kapustin & Kulikovskiy represented as Surirella cataractarum Hustedt, 1938
  » Species Iconella imbuta (Jurilj) Ruck & Nakov represented as Surirella imbuta Jurilj, 1948
  » Species Iconella kusberi (Cocquyt & R. Jahn) Cocquyt & R. Jahn, 2017 represented as Surirella bifrons var. intermedia Otto Müller, 1903
  » Species Iconella lancettula (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella lancettula Hustedt in Schmidt et al., 1924
  » Species Iconella lata (Hust.) D. Kapustin & Kulikovskiy represented as Surirella elegans f. lata Hustedt, 1942
  » Species Iconella latecostata (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella latecostata Hustedt in Schmidt et al., 1924
  » Species Iconella levanderi (Hustedt) Ruck & Nakov represented as Campylodiscus levanderi Hustedt, 1925
  » Species Iconella levis (Hust.) D. Kapustin & Kulikovskiy represented as
  » Species Iconella leyana (Bramb. & P. Ham.) D. Kapustin & Kulikovskiy represented as Surirella leyana A.J.Bramburger & P.B.Hamilton, 2006
  » Species Iconella likomensis (Cocquyt & R. Jahn) Cocquyt & R. Jahn, 2017 represented as Surirella likomensis C.Cocquyt & R.Jahn, 2005
  » Species Iconella linearis (W.Smith) Ruck & Nakov, 2016 represented as Surirella linearis W.Smith, 1853
  » Species Iconella lineopunctata (Jurilj) Ruck & Nakov represented as Surirella lineopunctata Jurilj, 1948 (1949)
  » Species Iconella malombae (O. Müll.) Cocquyt & R. Jahn, 2017 represented as Surirella malombae Otto Müller
  » Species Iconella margaritacea (O. Müll.) Cocquyt & R. Jahn, 2017 represented as Surirella margaritacea Otto Müller, 1903
  » Species Iconella margaritifera (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella margaritifera F.Hustedt, 1942
  » Species Iconella marginata Ruck & Nakov represented as
  » Species Iconella muelleri (Forti) Cocquyt & R. Jahn, 2017 represented as Surirella muelleri A.I.Forti, 1910
  » Species Iconella murielae (Compère) Cocquyt & R. Jahn, 2017 represented as Surirella murielae Compère, 1975
  » Species Iconella nagbogensis (Foged) Cocquyt & R. Jahn, 2017 represented as Surirella nagbogensis Foged, 1966
  » Species Iconella nervosa (A.W.F. Schmidt) Cocquyt & R. Jahn, 2017 represented as Surirella tenera var. nervosa A.Schmidt, 1875
  » Species Iconella nyassae (O. Müll.) Cocquyt & R. Jahn, 2017 represented as Surirella nyassae Otto Müller
  » Species Iconella obtusiuscula (G.S. West) Cocquyt & R. Jahn, 2017 represented as Surirella obtusiuscula G.S.West, 1907
  » Species Iconella oliffii (Cholnoky) Cocquyt & R. Jahn, 2017 represented as Surirella oliffii Cholnoky, 1956
  » Species Iconella panganiensis (O. Müll.) Cocquyt & R. Jahn, 2017 represented as Surirella panganiensis Otto Müller, 1904
  » Species Iconella papillifera (Hustedt) D. Kapustin & Kulikovskiy represented as Surirella papillifera Hustedt, 1942
  » Species Iconella pediculata (Hust.) D. Kapustin & Kulikovskiy represented as Surirella pediculata Hustedt, 1942
  » Species Iconella pelagica (Hust.) D. Kapustin & Kulikovskiy represented as Stenopterobia pelagica Hustedt, 1942
  » Species Iconella pinnigera (Bramb. & P. Ham.) D. Kapustin & Kulikovskiy represented as Surirella pinnigera A.J.Bramburger & P.B.Hamilton, 2006
  » Species Iconella plana (G.S. West) Cocquyt & R. Jahn, 2017 represented as Surirella plana G.S.West, 1907
  » Species Iconella promontorium (Bramb. & P. Ham.) D. Kapustin & Kulikovskiy represented as Surirella promontorium A.J.Bramburger & P.B.Hamilton, 2006
  » Species Iconella propinqua (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella propinqua Hustedt, 1949
  » Species Iconella proxima (Hust.) D. Kapustin & Kulikovskiy represented as Surirella proxima Hustedt, 1938
  » Species Iconella pseudospiralis (Hust.) D. Kapustin & Kulikovskiy represented as Surirella pseudospiralis Hustedt, 1938
  » Species Iconella pseudosplendida (Hust.) D. Kapustin & Kulikovskiy represented as Surirella pseudosplendida Hustedt, 1935
  » Species Iconella pseudotenuissima (Leclercq) D. Kapustin & Kulikovskiy represented as Surirella pseudotenuissima Leclercq, 1983
  » Species Iconella pseudothienemannii (Cholnoky) Cocquyt & R. Jahn, 2017 represented as Surirella pseudothienemannii Cholnoky, 1966
  » Species Iconella pumila (Lange-Bertalot & U.Rumrich) Ruck & Nakov represented as Stenopterobia pumila H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000
  » Species Iconella quadridentis (Bramb. & P. Ham.) D. Kapustin & Kulikovskiy represented as Surirella quadridentis A.J.Bramburger & P.B.Hamilton, 2006
  » Species Iconella rectangulata Ruck & Nakov represented as Campylodiscus striatus Jurilj, 1948
  » Species Iconella reicheltii (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella reichelti Hustedt in Schmidt et al., 1924
  » Species Iconella robusta (Ehrenberg) Ruck & Nakov represented as Surirella robusta Ehrenberg, 1840
  » Species Iconella rugosa (Bramb. & P. Ham.) D. Kapustin & Kulikovskiy represented as Surirella rugosa A.J.Bramburger & P.B.Hamilton, 2006
  » Species Iconella rumrichorum (Metzeltin & Lange-Bertalot) Ruck & Nakov represented as Surirella rumrichorum D.Metzeltin & Lange-Bertalot, 1998
  » Species Iconella sorriensis (Foged) Cocquyt & R. Jahn, 2017 represented as Surirella sorriensis Foged, 1966
  » Species Iconella spinifera (Hust.) D. Kapustin & Kulikovskiy represented as Surirella spinifera Hustedt
  » Species Iconella spinosa (Hust.) D. Kapustin & Kulikovskiy represented as Surirella spinosa Hustedt, 1938
  » Species Iconella spiralis (Kützing) Ruck & Nakov represented as Surirella spiralis Kützing, 1844
  » Species Iconella spiraloides (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella spiraloides Hustedt in Schmidt et al., 1924 (alternate representation)
  » Species Iconella splendida (Ehrenberg) Ruck &Nakov represented as Navicula splendida Ehrenberg, 1832 (alternate representation)
  » Species Iconella subcontorta (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella subcontorta Hustedt in Schmidt et al., 1924 (alternate representation)
  » Species Iconella sublinearis (Hustedt) D. Kapustin & Kulikovskiy represented as Surirella sublinearis Hustedt, 1942 (alternate representation)
  » Species Iconella subturgida (Hust.) D. Kapustin & Kulikovskiy represented as Surirella subturgida Hustedt, 1938 (alternate representation)
  » Species Iconella sulawesiensis D. Kapustin & Kulikovskiy represented as Stenopterobia robusta Hustedt, 1942 (alternate representation)
  » Species Iconella sulcata (Hust.) D. Kapustin & Kulikovskiy represented as Surirella sulcata Hustedt, 1942 (alternate representation)
  » Species Iconella takoradiensis (Foged) Cocquyt & R. Jahn, 2017 represented as Surirella takoradiensis Foged, 1966 (alternate representation)
  » Species Iconella tchadensis (Compère) Cocquyt & R. Jahn, 2017 represented as Surirella tchadensis Compère, 1975 (alternate representation)
  » Species Iconella tenacis (Bramb. & P. Ham.) D. Kapustin & Kulikovskiy represented as Surirella tenacis A.J.Bramburger & P.B.Hamilton, 2006 (alternate representation)
  » Species Iconella tenera (W. Gregory) Ruck & Nakov represented as Surirella tenera W.Gregory, 1856 (alternate representation)
  » Species Iconella tenuissima (Hust.) D. Kapustin & Kulikovskiy represented as Surirella tenuissima Hustedt in Schmidt et al., 1913 (alternate representation)
  » Species Iconella thienemannii (Hust.) D. Kapustin & Kulikovskiy represented as Surirella thienemanni Hustedt, 1935 (alternate representation)
  » Species Iconella tortilis (Bramb. & P. Ham.) D. Kapustin & Kulikovskiy represented as Surirella tortilis A.J.Bramburger & P.B.Hamilton, 2006 (alternate representation)
  » Species Iconella tubicola (Bramb. & P. Ham.) D. Kapustin & Kulikovskiy represented as Surirella tubicola A.J.Bramburger & P.B.Hamilton, 2006 (alternate representation)
  » Species Iconella tumida (O. Müll.) Cocquyt & R. Jahn, 2017 represented as (alternate representation)
  » Species Iconella turbo (O. Müll.) Cocquyt & R. Jahn, 2017 represented as Surirella turbo Otto Müller, 1903 (alternate representation)
  » Species Iconella vasta (Hust.) Cocquyt & R. Jahn, 2017 represented as Surirella vasta Hustedt in Schmidt et al., 1924 (alternate representation)
  » Species Iconella ventricosa (Hust.) D. Kapustin & Kulikovskiy represented as Surirella ventricosa Hustedt, 1942 (alternate representation)
  » Species Iconella woltereckii (Hust.) D. Kapustin & Kulikovskiy represented as Surirella wolterecki Hustedt, 1942 (alternate representation)
  » Species Iconella variabilis Jurilj, 1949 (unassessed)
Genus Klinodiscus A. Jurilj, 1949
Genus Petrodictyon D.G. Mann in F.E. Round, R.M. Crawford & D.G. Mann, 1990
Genus Plagiodiscus A. Grunow & T. Eulenstein in A. Grunow, 1867
  » Species Plagiodiscus costatus Jurilj, 1949 (uncertain, unassessed)
  » Species Plagiodiscus echinatus Jurilj, 1949 (uncertain, unassessed)
  » Species Plagiodiscus glaber Jurilj, 1949 (uncertain, unassessed)
  » Species Plagiodiscus martensianus Grunow & Eulenstein, 1867 (uncertain, unassessed)
  » Species Plagiodiscus nervatus Grunow (uncertain, unassessed)
    » Forma Plagiodiscus nervatus f. minor Grunow, 1877 (uncertain, unassessed)
    » Forma Plagiodiscus nervatus f. nervatus Grunow, 1867 (uncertain, unassessed)
    » Variety Plagiodiscus nervatus var. bacillaris De Toni, 1892 (uncertain, unassessed)
  » Species Plagiodiscus neumeyeri Janisch, 1888 (uncertain, unassessed)
Genus Stenopterobia A. de Brébisson ex H. Van Heurck, 1896
  » Species Stenopterobia cataractarum C.Cocquyt & J.C.Taylor, 2014
  » Species Stenopterobia intermedia (F.W.Lewis) Van Heurck, 1896
    » Forma Stenopterobia intermedia f. intermedia (Lewis) Van Heurck, 1896 represented as Surirella intermedia f. intermedia Lewis, 1864
    » Variety Stenopterobia intermedia var. bleischii (Janisch) Mayer, 1913 represented as Nitzschia bleischii Janisch in Rabenhorst, 1864
    » Forma Stenopterobia intermedia f. capitata (Fontell) (uncertain, unassessed)
    » Forma Stenopterobia intermedia f. densestriata Hustedt in Schmidt et al., 1912 (uncertain, unassessed)
    » Forma Stenopterobia intermedia f. subacuta Hustedt in Schmidt et al., 1912 (uncertain, unassessed)
    » Forma Stenopterobia intermedia f. undulata Sovereign, 1963 (uncertain, unassessed)
    » Forma Stenopterobia intermedia f. undulata Sovereign, 1963 (uncertain, unassessed)
    » Variety Stenopterobia intermedia var. capitata Fontell, 1917 (uncertain, unassessed)
    » Variety Stenopterobia intermedia var. crassior Carter, 1922 (uncertain, unassessed)
    » Variety Stenopterobia intermedia var. densestriata Hustedt, 1909, 1923 (uncertain, unassessed)
    » Variety Stenopterobia intermedia var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
  » Species Stenopterobia baileyi (Lewis) Brebisson ex van Heurck represented as Surirella baileyi Lewis, 1864
  » Species Stenopterobia capitata (Fontell) Lange-Bertalot & Metzeltin, 1996 represented as Stenopterobia intermedia var. capitata Fontell, 1917
  » Species Stenopterobia crassior (Carter) G. Moser, H. Lange-Bertalot & D. Metzeltin, 1998 represented as Stenopterobia intermedia var. crassior Carter, 1922
  » Species Stenopterobia curvula (W.Smith) Krammer, 1987 represented as Nitzschia curvula var. curvula W. Smith, 1856
  » Species Stenopterobia cuspidata (Hustedt) Vyverman, 1989 represented as Iconella cuspidata (Hustedt, 1942) D. Kapustin & Kulikovskiy, 2018 (Homotypic synonym. Also, nom. illeg.)
    » Variety Stenopterobia cuspidata var. giluwensis Vyverman, 1989 (uncertain, homotypic synonym)
  » Species Stenopterobia delicatissima (F.W.Lewis) Brébisson ex van Heurck, 1896 represented as Surirella delicatissima f. delicatissima Lewis, 1864
  » Species Stenopterobia sigmatella (Gregory) R. Ross in Hartley, 1986 represented as Nitzschia sigmatella var. sigmatella Gregory, 1855
  » Species Stenopterobia anceps (F.W.Lewis) Brébisson ex Van Heurck (uncertain, unassessed)
    » Variety Stenopterobia anceps var. detrita Playfair, 1913 (uncertain, unassessed)
    » Variety Stenopterobia anceps var. intermedia (F.W.Lewis) Playfair (uncertain, unassessed)
  » Species Stenopterobia anceps sensu Heribaud, 1893 (uncertain, unassessed)
  » Species Stenopterobia arctica A.Cleve, 1939 (uncertain, unassessed)
  » Species Stenopterobia armata Lange-Bertalot & Steindorf in Moser, Steindorf & Lange-Bertalot, 1995 (uncertain, unassessed)
  » Species Stenopterobia chilensis Metzeltin & Lange-Bertalot (uncertain, unassessed)
  » Species Stenopterobia densestriata (Hustedt) Krammer, 1987 (uncertain, unassessed)
  » Species Stenopterobia elongata Brebisson in Peragallo & Peragallo, 1897-1908 (uncertain, unassessed)
  » Species Stenopterobia eximia Gerd Moser (uncertain, unassessed)
  » Species Stenopterobia fusiformis P.A.Siver & L.Camfield, 2007 (uncertain, unassessed)
  » Species Stenopterobia gracilis P.A.Siver & L.Camfield, 2007 (uncertain, unassessed)
  » Species Stenopterobia gracillima Grunow in Cleve, 1881 (uncertain, unassessed)
  » Species Stenopterobia grigoriewi Mereschkowsky, 1903 (uncertain, unassessed)
  » Species Stenopterobia hullii D. Metzeltin & H. Lange-Bertalot, 2007 (uncertain, unassessed)
  » Species Stenopterobia hungarica Pantocsek, 1902 (uncertain, unassessed)
  » Species Stenopterobia krammeri Metzeltin & Lange-Bertalot, 1998 (uncertain, unassessed)
  » Species Stenopterobia minuscula Gerd Moser (uncertain, unassessed)
  » Species Stenopterobia muscicola (Krasske) Lange-Bertalot (uncertain, unassessed)
  » Species Stenopterobia neotropica D. Metzeltin & H. Lange-Bertalot, 2007 (uncertain, unassessed)
  » Species Stenopterobia pelagica Hustedt, 1942 (uncertain, unassessed)
  » Species Stenopterobia planctonica Metzeltin & Lange-Bertalot, 1998 (uncertain, unassessed)
  » Species Stenopterobia pseudodelicatissima P.Siver & P.B.Hamilton, 2005 (uncertain, unassessed)
  » Species Stenopterobia pumila H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (uncertain, unassessed)
  » Species Stenopterobia rautenbachiae Cholnoky, 1958 (uncertain, unassessed)
  » Species Stenopterobia recta N.Woodhead & R.D.Tweed, 1958 (uncertain, unassessed)
  » Species Stenopterobia recta Skvortzov, 2012 (uncertain)
  » Species Stenopterobia robusta Hustedt, 1942 (uncertain, unassessed)
  » Species Stenopterobia ruppeliana Gerd Moser (uncertain, unassessed)
  » Species Stenopterobia scolopendra Gerd Moser (uncertain, unassessed)
  » Species Stenopterobia sigmoidea Skvortzov, 1976 (uncertain, unassessed)
Genus Surirella P.J.F. Turpin, 1828
  » Species Surirella abies Cleve-Euler
    » Variety Surirella abies var. abies Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella abies var. major Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella abies var. minor Cleve-Euler, 1952 (uncertain, unassessed)
  » Species Surirella acuminata F.Hustedt
    » Variety Surirella acuminata var. acuminata Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
    » Variety Surirella acuminata var. baikalensis Skvortzow, 1937 (uncertain, unassessed)
    » Variety Surirella acuminata var. beta Smith (uncertain, unassessed)
    » Variety Surirella acuminata var. constricta Carruthers, 1864 (uncertain, unassessed)
  » Species Surirella alata Hustedt, 1942
  » Species Surirella angusta Kützing, 1844
    » Forma Surirella angusta f. angusta Kützing, 1844 (uncertain, unassessed)
    » Forma Surirella angusta f. constricta Skvortzow, 1929 (uncertain, unassessed)
    » Forma Surirella angusta f. ovata Skvortzow, 1929 (uncertain, unassessed)
    » Forma Surirella angusta f. punctata Bastow, 1960 (uncertain, unassessed)
    » Variety Surirella angusta var. amoyensis Skvortzow, 1929 (uncertain, unassessed)
    » Variety Surirella angusta var. apiculata Grunow, 1862 (uncertain, unassessed)
    » Variety Surirella angusta var. apiculata Skvortzov, 2012 (uncertain)
    » Variety Surirella angusta var. constricta Hustedt, 1930 (uncertain, unassessed)
    » Variety Surirella angusta var. contorta Petit, 1885 (uncertain, unassessed)
    » Variety Surirella angusta var. crassa Foged, 1973 (uncertain, unassessed)
    » Variety Surirella angusta var. curta Skvortzow, 1929 (uncertain, unassessed)
    » Variety Surirella angusta var. elongata Skvortzow, 1929 (uncertain, unassessed)
    » Variety Surirella angusta var. genuina Grunow, 1862 (uncertain, unassessed)
    » Variety Surirella angusta var. hankensis Skvortzow, 1929 (uncertain, unassessed)
    » Variety Surirella angusta var. pinnata Meister, 1912 (uncertain, unassessed)
    » Variety Surirella angusta var. pygmaea Mayer, 1913 (uncertain, unassessed)
    » Variety Surirella angusta var. sinuata Manguin, 1952 (uncertain, unassessed)
  » Species Surirella angustata Kützing, 1844
    » Forma Surirella angustata f. minuta Skvortzow, 1971 (uncertain, unassessed)
  » Species Surirella angusticostata Hustedt, 1937
  » Species Surirella angustiformis Hustedt, 1942
  » Species Surirella aquastudia (Kociolek & Q.You) Kociolek in Liu et al., 2020
  » Species Surirella arcta A.W.F.Schmidt
    » Variety Surirella arcta var. arcta Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
    » Variety Surirella arcta var. macra Grunow in Cleve & Möller, 1882 (uncertain, unassessed)
  » Species Surirella arctissima A.W.F.Schmidt
    » Forma Surirella arctissima f. arctissima Schmidt in Schmidt et al., 1877 (uncertain, unassessed)
    » Forma Surirella arctissima f. minor Boyer, 1916 (uncertain, unassessed)
    » Variety Surirella arctissima var. muscicola Krasske, 1948 (uncertain, unassessed)
  » Species Surirella asperrima Hustedt, 1942
    » Forma Surirella asperrima f. asperrima Hustedt, 1942 (uncertain, unassessed)
    » Forma Surirella asperrima f. rokuprensis Woodhead & Tweed, 1960 (uncertain, unassessed)
  » Species Surirella asymmetrica Østrup, 1918
    » Variety Surirella asymmetrica var. asymmetrica Østrup, 1918 (1920) (uncertain, unassessed)
    » Variety Surirella asymmetrica var. dubia Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella asymmetrica var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella asymmetrica var. serpentina Cleve-Euler, 1934 (uncertain, unassessed)
    » Variety Surirella asymmetrica var. valida Cleve-Euler, 1952 (uncertain, unassessed)
  » Species Surirella australovisurgis B.van de Vijver, C.Cocquyt, K.Kopalová & R.Zidarova, 2013
  » Species Surirella bifrons Ehrenberg
    » Variety Surirella bifrons var. heteropolis (Hustedt) Woodhead & Tweed, 1958 represented as Surirella biseriata var. heteropolis Hustedt, 1942
    » Forma Surirella bifrons f. bifrons Ehrenberg, 1843 (uncertain, unassessed)
    » Forma Surirella bifrons f. constricta Hustedt, 1954 (uncertain, unassessed)
    » Forma Surirella bifrons f. minor Østrup, 1908 (uncertain, unassessed)
    » Forma Surirella bifrons f. minor (Otto Müller) Hustedt, 1911 (uncertain, unassessed)
    » Forma Surirella bifrons f. minor Otto Müller, 1903 (uncertain, unassessed)
    » Forma Surirella bifrons f. tumida Otto Müller, 1903 (uncertain, unassessed)
    » Variety Surirella bifrons var. constrictum Reinsch in Rabenhorst, 1866 (uncertain, unassessed)
    » Variety Surirella bifrons var. intermedia Otto Müller, 1903 (uncertain, unassessed)
    » Variety Surirella bifrons var. margaritifera Pantocsek, 1902 (uncertain, unassessed)
    » Variety Surirella bifrons var. minor Tempère & Peragallo, 1915 (uncertain, unassessed)
    » Variety Surirella bifrons var. punctata Meister, 1912 (uncertain, unassessed)
  » Species Surirella biseriata Brébisson, 1835
    » Variety Surirella biseriata var. bifrons (Ehrenberg) Hustedt, 1911
    » Forma Surirella biseriata f. amphioxys (W. Smith) Hustedt, 1911 represented as Iconella amphioxys (W.Smith) D.Kapustin & O.Kryvosheia in Kryosheia & Kapustin, 2019
    » Forma Surirella biseriata f. bifrons (Ehrenberg; Ehrenberg) Hustedt, 1911 represented as Navicula bifrons Ehrenberg, 1833
    » Forma Surirella biseriata f. constricta (Grunow) Skabichevskii, 1960 represented as Surirella biseriata f. constricta Hustedt, 1911
    » Forma Surirella biseriata f. constricta (Hustedt; Grunow ex Hustedt in Schmidt et al.) Mayer, 1916 (1917) represented as Surirella biseriata f. constricta Hustedt, 1911
    » Forma Surirella biseriata f. intermedia (Otto Müller) Hustedt, 1911 represented as Surirella bifrons var. intermedia Otto Müller, 1903
    » Forma Surirella biseriata f. obtusa (Maly) Mayer, 1916 (1917) represented as Surirella biseriata var. obtusa Maly, 1895
    » Forma Surirella biseriata f. punctata (Meister) Krasske, 1925 represented as Surirella biseriata var. punctata Meister, 1912
    » Forma Surirella biseriata f. punctata (Meister) Kaiser, 1918 represented as Surirella biseriata var. punctata Meister, 1912
    » Forma Surirella biseriata f. punctata Meister in Hustedt, 1930 represented as Surirella biseriata var. punctata Meister, 1912
    » Forma Surirella biseriata f. saxonica (Auerswald ex Rabenhorst; Rabenhorst) Cleve-Euler, 1952 represented as Surirella saxonica var. saxonica Auerswald in Rabenhorst, 1863
    » Forma Surirella biseriata f. tumida (Otto Müller) Mayer, 1918 represented as Surirella bifrons f. tumida Otto Müller, 1903
    » Forma Surirella biseriata f. tumida (Otto Müller) Hustedt, 1911 represented as Surirella bifrons f. tumida Otto Müller, 1903
    » Variety Surirella biseriata var. constricta (Grunow) Hustedt in A. Schmidt, 1912 represented as Surirella biseriata f. constricta (Hustedt; Grunow ex Hustedt in Schmidt et al.) Mayer, 1916 (1917)
    » Variety Surirella biseriata var. lineopunctata (Jurilj) Jurilj, 1954 represented as Surirella lineopunctata Jurilj, 1948 (1949)
    » Variety Surirella biseriata var. tumida (Otto Müller) Mayer, 1918 represented as Surirella bifrons f. tumida Otto Müller, 1903
    » Variety Surirella biseriata var. turgida (W. Smith) Cleve-Euler, 1952 represented as Surirella turgida f. turgida W. Smith, 1853
    » Forma Surirella biseriata f. armata Cleve-Euler, 1948 (uncertain, unassessed)
    » Forma Surirella biseriata f. armata Manguin, 1952 (uncertain, unassessed)
    » Forma Surirella biseriata f. biseriata Brébisson in Brébisson & Godey, 1835 (uncertain, unassessed)
    » Forma Surirella biseriata f. constricta Hustedt, 1911 (uncertain, unassessed)
    » Forma Surirella biseriata f. cristata Hustedt ex Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Surirella biseriata f. genuina Mayer, 1913 (uncertain, unassessed)
    » Forma Surirella biseriata f. genuina Mayer, 1916 (1917) (uncertain, unassessed)
    » Forma Surirella biseriata f. hispida Skvortzow, 1936 (uncertain, unassessed)
    » Forma Surirella biseriata f. indica Gandhi, 1961 (uncertain, unassessed)
    » Forma Surirella biseriata f. intermedia Otto Müller, 1903 (uncertain, unassessed)
    » Forma Surirella biseriata f. latevittata Meister, 1912 (uncertain, unassessed)
    » Forma Surirella biseriata f. major Meister, 1912 (uncertain, unassessed)
    » Forma Surirella biseriata f. major Tempère & Peragallo, 1911 (uncertain, unassessed)
      » Subforma Surirella biseriata f. major subacuminata Van Heurck, 1881 (uncertain, unassessed)
    » Forma Surirella biseriata f. margaritifera Mayer, 1913 (uncertain, unassessed)
    » Forma Surirella biseriata f. maxima Grunow ex Mayer, 1916 (1917) (uncertain, unassessed)
    » Forma Surirella biseriata f. media Dippel, 1905 (uncertain, unassessed)
    » Forma Surirella biseriata f. minor Peragallo & Peragallo, 1899 (uncertain, unassessed)
    » Forma Surirella biseriata f. minor Dippel, 1905 (uncertain, unassessed)
    » Forma Surirella biseriata f. minor Mayer, 1913 (uncertain, unassessed)
    » Forma Surirella biseriata f. minor Cleve-Euler, 1952 (uncertain, unassessed)
      » Subforma Surirella biseriata f. minor obtusa Van Heurck, 1881 (uncertain, unassessed)
    » Forma Surirella biseriata f. minuta Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Surirella biseriata f. nipponica Skvortzow, 1936 (uncertain, unassessed)
    » Forma Surirella biseriata f. punctata Skvortzow, 1936 (uncertain, unassessed)
    » Forma Surirella biseriata f. punctata Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Surirella biseriata f. punctata Skvortzow, 1936 (uncertain, unassessed)
    » Forma Surirella biseriata f. regularis Cleve-Euler, 1922 (uncertain, unassessed)
    » Forma Surirella biseriata f. robusta Hustedt, 1935 (uncertain, unassessed)
    » Forma Surirella biseriata f. subacuminata (Van Heurck) Meister, 1912 (uncertain, unassessed)
    » Forma Surirella biseriata f. subacuminata Mayer, 1916 (1917) (uncertain, unassessed)
    » Forma Surirella biseriata f. subconstricta Korde, 1951 (uncertain, unassessed)
    » Forma Surirella biseriata f. subparallela Meister, 1912 (uncertain, unassessed)
    » Forma Surirella biseriata f. subtruncata (Lemmermann) Mayer, 1916 (1917) (uncertain, unassessed)
    » Forma Surirella biseriata f. typica Mayer, 1916 (1917) (uncertain, unassessed)
    » Forma Surirella biseriata f. typica Mayer, 1916 (1917) (uncertain, unassessed)
    » Forma Surirella biseriata f. typica Mayer, 1916 (1917) (uncertain, unassessed)
    » Variety Surirella biseriata var. acuminata Tempère & Peragallo, 1889-1895 (uncertain, unassessed)
    » Variety Surirella biseriata var. alpestris (uncertain, unassessed)
    » Variety Surirella biseriata var. amphioxys (W. Smith) Van Heurck, 1896 (uncertain, unassessed)
    » Variety Surirella biseriata var. bicuspidata Cleve-Euler in Backman & Cleve-Euler, 1922 (uncertain, unassessed)
    » Variety Surirella biseriata var. celebesiana Hustedt, 1942 (uncertain, unassessed)
    » Variety Surirella biseriata var. constricta Reinsch in Rabenhorst, 1868 (uncertain, unassessed)
    » Variety Surirella biseriata var. diminuta Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella biseriata var. elliptica Petit, 1888 (uncertain, unassessed)
    » Variety Surirella biseriata var. elongata Pantocsek, 1902 (uncertain, unassessed)
    » Variety Surirella biseriata var. elongata Brockmann, 1914 (uncertain, unassessed)
    » Variety Surirella biseriata var. heteropolis Hustedt, 1942 (uncertain, unassessed)
    » Variety Surirella biseriata var. lacustris Musatova, 1939 (uncertain, unassessed)
    » Variety Surirella biseriata var. lanceolata Rich, 1933 (uncertain, unassessed)
    » Variety Surirella biseriata var. linearis Brun, 1880 (uncertain, unassessed)
    » Variety Surirella biseriata var. major Tempère & Peragallo, 1915 (uncertain, unassessed)
    » Variety Surirella biseriata var. major-subacuminata (Van Heurck) H. Peragallo, 1889 (uncertain, unassessed)
    » Variety Surirella biseriata var. media (Dippel) Meister, 1912 (uncertain, unassessed)
    » Variety Surirella biseriata var. mediocontracta Maly, 1895 (uncertain, unassessed)
    » Variety Surirella biseriata var. minor Brebisson ex W. Smith Collection, Van Heurck Herbarium, Antwerp, Belgium (uncertain, unassessed)
    » Variety Surirella biseriata var. minor Tempère & Peragallo, 1889-1895 (uncertain, unassessed)
    » Variety Surirella biseriata var. obtusa Maly, 1895 (uncertain, unassessed)
    » Variety Surirella biseriata var. orientalis Skvortzow, 1929 (uncertain, unassessed)
    » Variety Surirella biseriata var. ovata Frenguelli, 1953 (uncertain, unassessed)
    » Variety Surirella biseriata var. punctata Meister, 1912 (uncertain, unassessed)
    » Variety Surirella biseriata var. punctata Skvortzow & Meyer, 1928 (uncertain, unassessed)
    » Variety Surirella biseriata var. punctata Schumann, 1862 (uncertain, unassessed)
    » Variety Surirella biseriata var. rostrata Schulz, 1926 (uncertain, unassessed)
    » Variety Surirella biseriata var. spinifera Manguin, 1960 (uncertain, unassessed)
    » Variety Surirella biseriata var. spinifera Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella biseriata var. subconstricta Meister, 1912 (uncertain, unassessed)
    » Variety Surirella biseriata var. subtruncata Lemmermann, 1910 (uncertain, unassessed)
    » Variety Surirella biseriata var. ussuriensis Skvortzow, 1929 (uncertain, unassessed)
    » Variety Surirella biseriata var. vulgaris Meister, 1912 (uncertain, unassessed)
  » Species Surirella bouillonii D.Bes, L.Ector & L.C.Torgan, 2012
  » Species Surirella brevicostata O.Müller
    » Variety Surirella brevicostata var. brevicostata Otto Müller, 1903 (uncertain, unassessed)
    » Variety Surirella brevicostata var. constricta Hustedt in Schmidt et al., 1914 (uncertain, unassessed)
    » Variety Surirella brevicostata var. elongata Hustedt in Schmidt et al., 1914 (uncertain, unassessed)
  » Species Surirella capronii Brébisson & Kitton in Kitton, 1869
    » Variety Surirella capronii var. calcarata (Pfitzer) Hustedt, 1909 represented as Surirella calcarata Pfitzer, 1871
    » Forma Surirella capronii f. capitata Skvortzow, 1936 (uncertain, unassessed)
    » Forma Surirella capronii f. obtusa Hustedt, 1927 (uncertain, unassessed)
    » Variety Surirella capronii var. anadyrensis Seczkina, 1956 (uncertain, unassessed)
    » Variety Surirella capronii var. capronii Brébisson & Kitton, 1869 (uncertain, unassessed)
    » Variety Surirella capronii var. constricta Skvortzow, 1971 (uncertain, unassessed)
    » Variety Surirella capronii var. hankensis Skvortzow, 1929 (uncertain, unassessed)
    » Variety Surirella capronii var. reducta Manguin, 1949 (uncertain, unassessed)
    » Variety Surirella capronii var. spiralis Reinhold, 1937 (uncertain, unassessed)
  » Species Surirella ceylanensis G.Leuduger-Fortmorel
  » Species Surirella chilensis C.Janisch, 1875
    » Variety Surirella chilensis var. chilensis Janisch in Schmidt et al., 1875 (uncertain, unassessed)
    » Variety Surirella chilensis var. constricta Hustedt, 1927 (uncertain, unassessed)
    » Variety Surirella chilensis var. rostrata Hustedt, 1927 (uncertain, unassessed)
    » Variety Surirella chilensis var. tumida Hustedt, 1927 (uncertain, unassessed)
    » Variety Surirella chilensis var. tumida Hustedt in Schmidt et al., 1925 (uncertain, unassessed)
  » Species Surirella congolensis Cocquyt & J.C. Taylor, 2015
  » Species Surirella conversa Hustedt, 1942
  » Species Surirella couderti Héribaud-Joseph
  » Species Surirella cristata Bock
    » Variety Surirella cristata var. armata Bock, 1955 (uncertain, unassessed)
    » Variety Surirella cristata var. cristata Bock, 1955 (uncertain, unassessed)
    » Variety Surirella cristata var. spinifera Bock, 1955 (uncertain, unassessed)
  » Species Surirella curvifaces Brun
    » Variety Surirella curvifaces var. conspicua Tempère & Peragallo, 1910 (uncertain, unassessed)
    » Variety Surirella curvifaces var. curvifacies Brun, 1895 (uncertain, unassessed)
  » Species Surirella cuspidata Hustedt, 1942
    » Forma Surirella cuspidata f. constricta Hustedt, 1949 (uncertain, unassessed)
  » Species Surirella decipiens Hustedt, 1942
    » Variety Surirella decipiens var. decipiens Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella decipiens var. major Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella decipiens var. minor Cleve-Euler, 1952 (uncertain, unassessed)
  » Species Surirella deflexa A.W.F.Schmidt
  » Species Surirella didyma Kützing, 1844
    » Variety Surirella didyma var. didyma Kützing, 1844 (uncertain, unassessed)
    » Variety Surirella didyma var. hinganica Skvortzov, 1976 (uncertain, unassessed)
    » Variety Surirella didyma var. minor Skvortzow, 1937 (uncertain, unassessed)
  » Species Surirella dongtingensis Bing Liu & Ector in Liu et al., 2020
  » Species Surirella ebalensis Cocquyt & J.C. Taylor, 2015
  » Species Surirella elegans Ehrenberg
    » Forma Surirella elegans f. angusta Hustedt, 1938
    » Forma Surirella elegans f. norvegica (Eulenstein in Schmidt et al.) Brun, 1888 represented as Surirella norvegica Eulenstein in Schmidt et al., 1875
    » Variety Surirella elegans var. davidsonii (Schmidt in Schmidt et al.) H.L. Smith ex Wolle, 1890 represented as Surirella davidsonii A.Schmidt, 1875
    » Variety Surirella elegans var. dentata (Schumann) Cleve-Euler, 1932 represented as Surirella dentata Schumann, 1862
    » Forma Surirella elegans f. anormale (uncertain, unassessed)
      » Subforma Surirella elegans f. anormale perforata Tempère & Peragallo, 1908 (uncertain, unassessed)
    » Forma Surirella elegans f. constricta Mayer, 1913 (uncertain, unassessed)
    » Forma Surirella elegans f. constricta (Mayer) Hustedt, 1942 (uncertain, unassessed)
    » Forma Surirella elegans f. elegans Ehrenberg, 1843 (uncertain, unassessed)
    » Forma Surirella elegans f. elongata Skvortzow, 1936 (uncertain, unassessed)
    » Forma Surirella elegans f. lata Hustedt, 1942 (uncertain, unassessed)
    » Forma Surirella elegans f. minor Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Surirella elegans f. minor Tempère & Peragallo, 1908 (uncertain, unassessed)
    » Forma Surirella elegans f. obtusa Mayer, 1913 (uncertain, unassessed)
    » Forma Surirella elegans f. typica Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Surirella elegans f. typica Mayer, 1913 (uncertain, unassessed)
    » Variety Surirella elegans var. acuminata Skvortzov & Noda, 1971 (uncertain, unassessed)
    » Variety Surirella elegans var. constricta (Mayer) Hustedt, 1930 (uncertain, unassessed)
    » Variety Surirella elegans var. cristata Pantocsek, 1902 (uncertain, unassessed)
    » Variety Surirella elegans var. elongata Tempère & Peragallo, 1908 (uncertain, unassessed)
    » Variety Surirella elegans var. genuina Mayer, 1913 (uncertain, unassessed)
    » Variety Surirella elegans var. hankensis Skvortzow, 1929 (uncertain, unassessed)
    » Variety Surirella elegans var. inaquea Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella elegans var. jeniseyensis Skvortzov, 1971 (uncertain, unassessed)
    » Variety Surirella elegans var. minor Tempère & Peragallo, 1915 (uncertain, unassessed)
    » Variety Surirella elegans var. producta Tempère & Peragallo, 1911 (uncertain, unassessed)
    » Variety Surirella elegans var. subaequalis Mayer, 1913 (uncertain, unassessed)
    » Variety Surirella elegans var. tenuis Venkataraman, 1957 (uncertain, unassessed)
  » Species Surirella elegantula Hustedt, 1942
    » Forma Surirella elegantula f. cuneata Hustedt, 1942
    » Forma Surirella elegantula f. elegantula Hustedt, 1942 (uncertain, unassessed)
  » Species Surirella engleri O.Müller
    » Forma Surirella engleri f. africana (Otto Müller) Hustedt, 1911 (uncertain, unassessed)
    » Forma Surirella engleri f. angustior Otto Müller, 1903 (uncertain, unassessed)
    » Forma Surirella engleri f. constricta Otto Müller, 1903 (uncertain, unassessed)
    » Forma Surirella engleri f. densecostata Maillard, 1977 (uncertain, unassessed)
    » Forma Surirella engleri f. engleri Otto Müller, 1903 (uncertain, unassessed)
    » Forma Surirella engleri f. genuina Otto Müller, 1903 (uncertain, unassessed)
    » Forma Surirella engleri f. minor Woodhead & Tweed, 1960 (uncertain, unassessed)
    » Forma Surirella engleri f. recta Otto Müller in A. Schmidt, 1904 (uncertain, unassessed)
    » Forma Surirella engleri f. recta Otto Müller, 1903 (uncertain, unassessed)
    » Forma Surirella engleri f. sierraleonensis Woodhead & Tweed, 1958 (uncertain, unassessed)
    » Forma Surirella engleri f. subconstricta Otto Müller, 1903 (uncertain, unassessed)
    » Forma Surirella engleri f. sublaevis (Otto Müller) Hustedt, 1911 (uncertain, unassessed)
    » Forma Surirella engleri f. sublaevis Otto Müller, 1903 (uncertain, unassessed)
    » Variety Surirella engleri var. hankensis Skvortzow, 1929 (uncertain, unassessed)
    » Variety Surirella engleri var. warriensis F. W. Mills, 1932 (uncertain, unassessed)
  » Species Surirella ephippiomorpha A.J.Bramburger & P.B.Hamilton, 2006
  » Species Surirella excellens Hustedt, 1942
  » Species Surirella fastuosa Ehrenberg
    » Forma Surirella fastuosa f. comis (Schmidt in Schmidt et al.) F.W. Mills, 1935 represented as Surirella comis A.Schmidt, 1876
    » Forma Surirella fastuosa f. grandiuscula (Castracane) Deby ex F. W. Mills, 1935 represented as Surirella grandiuscula Castracane, 1886
    » Forma Surirella fastuosa f. sentis (Schmidt in Schmidt et al.) Deby ex F. W. Mills, 1935 represented as Surirella sentis Schmidt in Schmidt et al., 1875
    » Variety Surirella fastuosa var. argus (Castracane) Deby ex F. W. Mills, 1935 represented as Surirella argus Castracane, 1886
    » Variety Surirella fastuosa var. deflexa (Schmidt in Schmidt et al.) Deby ex F. W. Mills, 1934 represented as Surirella deflexa var. deflexa Schmidt in Schmidt et al., 1875
    » Variety Surirella fastuosa var. dives (Castracane) Deby ex F. W. Mills, 1935 represented as Surirella dives Castracane, 1886
    » Variety Surirella fastuosa var. fausta (Schmidt in Schmidt et al.) Deby ex F. W. Mills, 1935 represented as Surirella fausta Schmidt in Schmidt et al., 1875
    » Variety Surirella fastuosa var. fluminensis (Grunow) Cleve, 1901 represented as Surirella fluminensis Grunow, 1862
    » Variety Surirella fastuosa var. grandiuscula (Castracane) Deby ex F. W. Mills, 1935 represented as Surirella grandiuscula Castracane, 1886
    » Variety Surirella fastuosa var. incurvata (A. Schmidt) Cleve, 1901 represented as Surirella incurvata Schmidt in Schmidt et al., 1897
    » Variety Surirella fastuosa var. intercedens (Grunow in Schmidt et al.) Deby ex F. W. Mills, 1935 represented as Surirella intercedens var. intercedens Grunow in Schmidt et al., 1875
    » Variety Surirella fastuosa var. kinkeri (A. Schmidt) Cleve, 1901 represented as Surirella kinkeri Schmidt in Schmidt et al., 1897
    » Variety Surirella fastuosa var. lata (W. Smith) Van Heurck, 1885 represented as Surirella lata f. lata W. Smith, 1853
    » Variety Surirella fastuosa var. lorenziana (Grunow) Cleve, 1901 represented as Surirella lorenziana f. lorenziana Grunow, 1862
    » Variety Surirella fastuosa var. multicostata (Castracane) Deby ex F. W. Mills, 1935 represented as Surirella multicostata Castracane, 1886
    » Variety Surirella fastuosa var. opulenta (Grunow) Grunow represented as Surirella opulenta Grunow, 1862
    » Variety Surirella fastuosa var. recedens (Schmidt in Schmidt et al.) Cleve, 1878 represented as Surirella recedens var. recedens Schmidt in Schmidt et al., 1875
    » Variety Surirella fastuosa var. sentis (Schmidt in Schmidt et al.) Deby ex F. W. Mills, 1935 represented as Surirella sentis Schmidt in Schmidt et al., 1875
    » Variety Surirella fastuosa var. thaitiana (Castracane) Deby ex F. W. Mills, 1935 represented as Surirella thaitiana Castracane, 1886
    » Variety Surirella fastuosa var. toulae (Pantocsek) Jurilj, 1957 represented as Surirella toulae Pantocsek, 1892
    » Forma Surirella fastuosa f. anfractuosa Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella fastuosa f. beta Gregory, 1855 (uncertain, unassessed)
    » Forma Surirella fastuosa f. collare Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella fastuosa f. cuneata Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella fastuosa f. elliptica Rabenhorst, 1864 (uncertain, unassessed)
    » Forma Surirella fastuosa f. fastuosa Ehrenberg, 1840 (uncertain, unassessed)
    » Forma Surirella fastuosa f. mexicana Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella fastuosa f. mexicana Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella fastuosa f. minor Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella fastuosa f. opulenta Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella fastuosa f. orbicularis Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella fastuosa f. redundens Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella fastuosa f. robusta Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella fastuosa f. suborbicularis Grunow in Schmidt et al., 1875 (uncertain, unassessed)
    » Forma Surirella fastuosa f. typica Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella fastuosa f. typica Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella fastuosa f. typica Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella fastuosa f. vulgaris Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Variety Surirella fastuosa var. abludens Grunow in Schmidt et al., 1875 (uncertain, unassessed)
    » Variety Surirella fastuosa var. campechiana Jurilj, 1957 (uncertain, unassessed)
    » Variety Surirella fastuosa var. collare (Schmidt in Schmidt et al.) Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Variety Surirella fastuosa var. communis Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Variety Surirella fastuosa var. constricta Grunow ex Tempère & Peragallo, 1913 (uncertain, unassessed)
    » Variety Surirella fastuosa var. debilitata Schmidt in Schmidt et al., 1897 (uncertain, unassessed)
    » Variety Surirella fastuosa var. fluminensis Mereschkowsky, 1902 (uncertain, unassessed)
    » Variety Surirella fastuosa var. fossilis Pantocsek, 1889 (uncertain, unassessed)
    » Variety Surirella fastuosa var. gregoryi Rabenhorst, 1864 (uncertain, unassessed)
    » Variety Surirella fastuosa var. grunovii Jurilj, 1957 (uncertain, unassessed)
    » Variety Surirella fastuosa var. japonica Skvortzow, 1932 (uncertain, unassessed)
    » Variety Surirella fastuosa var. lepida Grunow in Rodrígues y Femenías, 1889 (uncertain, unassessed)
    » Variety Surirella fastuosa var. lepida (Schmidt in Schmidt et al.) Cleve & Möller, 1878 (uncertain, unassessed)
    » Variety Surirella fastuosa var. lepidula Grunow in Cleve & Möller, 1878 (uncertain, unassessed)
    » Variety Surirella fastuosa var. margaritifera Meister, 1937 (uncertain, unassessed)
    » Variety Surirella fastuosa var. mexicana Jurilj, 1957 (uncertain, unassessed)
    » Variety Surirella fastuosa var. minor Rabenhorst, 1864 (uncertain, unassessed)
    » Variety Surirella fastuosa var. nodulifera Schmidt in Schmidt et al., 1897 (uncertain, unassessed)
    » Variety Surirella fastuosa var. panamae Jurilj in A. Schmidt, 1957 (uncertain, unassessed)
    » Variety Surirella fastuosa var. panduriformis Grunow in Rodrígues y Femenías, 1889 (uncertain, unassessed)
    » Variety Surirella fastuosa var. panduriformis Cleve & Möller, 1878 (uncertain, unassessed)
    » Variety Surirella fastuosa var. punctata Grunow in Schmidt et al., 1877 (uncertain, unassessed)
    » Variety Surirella fastuosa var. robusta Schmidt in Schmidt et al., 1897 (uncertain, unassessed)
    » Variety Surirella fastuosa var. samoensis Jurilj in A. Schmidt, 1957 (uncertain, unassessed)
    » Variety Surirella fastuosa var. spinulifera Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
    » Variety Surirella fastuosa var. splendida Hustedt in Schmidt et al., 1927 (uncertain, unassessed)
    » Variety Surirella fastuosa var. subcuneata Grunow in Rodrígues y Femenías, 1889 (uncertain, unassessed)
    » Variety Surirella fastuosa var. subcuneata Cleve & Möller, 1878 (uncertain, unassessed)
    » Variety Surirella fastuosa var. yokohamae Jurilj, 1957 (uncertain, unassessed)
  » Species Surirella fenestrellata A.J.Bramburger & P.B.Hamilton, 2006
  » Species Surirella fuelleborni
    » Variety Surirella fuelleborni var. tumida Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
  » Species Surirella gemma (Ehrenberg) Kützing, 1844
    » Variety Surirella gemma var. reniformis (Grunow) Proschkina-Lavrenko, 1955 represented as Surirella reniformis var. reniformis Grunow, 1877
    » Forma Surirella gemma f. gemma Ehrenberg, 1840 (uncertain, unassessed)
    » Forma Surirella gemma f. parva Cleve & Möller, 1879 (uncertain, unassessed)
    » Variety Surirella gemma var. balthica Eichwald, 1852 (uncertain, unassessed)
    » Variety Surirella gemma var. ovata Skvortzow, 1931 (uncertain, unassessed)
  » Species Surirella granulata Ostrup, 1908
    » Variety Surirella granulata var. baicalensis Skvortzow & Meyer, 1928 (uncertain, unassessed)
    » Variety Surirella granulata var. elliptica Østrup, 1918 (1920) (uncertain, unassessed)
    » Variety Surirella granulata var. granulata Østrup, 1908 (uncertain, unassessed)
  » Species Surirella grunowii M.S.Kulikovskiy, Lange-Bert & A. Witkovski in Kulikovskiy et al., 2010
  » Species Surirella heardensis B.van de Vijver & C.Cocquyt, 2013
  » Species Surirella hibernica (W.Smith) D.Kapustin & O.Kryvosheia in Kryosheia & Kapustin, 2019
  » Species Surirella hinziae Cvetkoska, Levkov & Hamilton, 2015 †
  » Species Surirella hybrida Grunow, 1881
    » Variety Surirella hybrida var. balteum Brun. represented as Surirella balteum Brun, 1891
    » Variety Surirella hybrida var. contracta Peragallo & Peragallo, 1899 (uncertain, unassessed)
    » Variety Surirella hybrida var. elegans Tempère & Peragallo, 1908 (uncertain, unassessed)
    » Variety Surirella hybrida var. hybrida Grunow in Van Heurck, 1881 (uncertain, unassessed)
  » Species Surirella inducta A.W.F.Schmidt, 1882
    » Variety Surirella inducta var. inducta Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
    » Variety Surirella inducta var. intermedia Tempère & Peragallo, 1914 (uncertain, unassessed)
  » Species Surirella islandica Østrup, 1918
    » Forma Surirella islandica f. constricta Cleve-Euler, 1939 (uncertain, unassessed)
    » Forma Surirella islandica f. major Cleve-Euler, 1934 (uncertain, unassessed)
    » Variety Surirella islandica var. islandica Østrup, 1918 (1920) (uncertain, unassessed)
    » Variety Surirella islandica var. lapponica Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella islandica var. minuta Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella islandica var. oviformis Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella islandica var. rhombus Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella islandica var. typica Cleve-Euler, 1952 (uncertain, unassessed)
  » Species Surirella lacrimula J.D.English, 2012
  » Species Surirella ladogensis Weisse, 1864
  » Species Surirella lagerheimii Cleve, 1895
    » Forma Surirella lagerheimii f. capitata Foged, 1953 (uncertain, unassessed)
    » Forma Surirella lagerheimii f. lagerheimii A. Cleve, 1895 (uncertain, unassessed)
  » Species Surirella lanceolata Gandhi, 1955
  » Species Surirella lange-bertalotii B.Karthick, P.B.Hamilton & J.P.Kociolek, 2012
  » Species Surirella lapponica A.Cleve, 1895
  » Species Surirella lata W.Smith
    » Forma Surirella lata f. formosa (Cleve) Deby ex F. W. Mills, 1935 represented as Surirella formosa Cleve, 1881
    » Forma Surirella lata f. japonica (Schmidt in Schmidt et al.) Deby ex F. W. Mills, 1935 represented as Surirella japonica A. Schmidt in Schmidt et al., 1897
    » Forma Surirella lata f. laxa (Janisch in Schmidt et al.) Deby ex F. W. Mills, 1935 represented as Surirella laxa Janisch in Schmidt et al., 1877
      » Subforma Surirella lata f. laxa typica Deby, 1896 (uncertain, unassessed)
    » Variety Surirella lata var. contracta (Peragallo & Peragallo) Desikachary & Prema in Desikachary, 1989 represented as Surirella hybrida var. contracta Peragallo & Peragallo, 1899
    » Variety Surirella lata var. gracilis (O'Meara) M. Peragallo, 1903 represented as Surirella gracilis O'Meara, 1867
    » Variety Surirella lata var. macraeana (Greville) Deby, 1896 represented as Surirella macraeana var. macraeana Greville, 1862
    » Forma Surirella lata f. filholii Deby ex F. W. Mills, 1935 (uncertain, unassessed)
    » Forma Surirella lata f. lata W. Smith, 1853 (uncertain, unassessed)
    » Variety Surirella lata var. celebensis Grove Collection (uncertain, unassessed)
    » Variety Surirella lata var. constricta Tempère & Peragallo, 1910 (uncertain, unassessed)
    » Variety Surirella lata var. elliptica Hustedt in Schmidt et al., 1927 (uncertain, unassessed)
    » Variety Surirella lata var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella lata var. hybrida Grunow in Van Heurck, 1881 (uncertain, unassessed)
    » Variety Surirella lata var. minor Tempère & Peragallo, 1910 (uncertain, unassessed)
    » Variety Surirella lata var. punctata Peragallo & Peragallo, 1899 (uncertain, unassessed)
    » Variety Surirella lata var. robusta O. Witt, 1873 (uncertain, unassessed)
    » Variety Surirella lata var. typica Deby ex F. W. Mills, 1935 (uncertain, unassessed)
  » Species Surirella lorenyangensis Brindle, Mohan & Stone in Brindle et al., 2018 †
  » Species Surirella malombae Otto Müller
    » Forma Surirella malombae f. acuta Otto Müller, 1903 (uncertain, unassessed)
    » Forma Surirella malombae f. malombae Otto Müller, 1903 (uncertain, unassessed)
    » Variety Surirella malombae var. tumida Ostenfeld, 1908 (uncertain, unassessed)
  » Species Surirella minuta Brébisson, 1849
  » Species Surirella molleriana Grunow
  » Species Surirella moralesii S.Blanco, I.Alvarez-Blanco & C.Cejudo-Figueiras, 2012
  » Species Surirella nana A.Cleve, 1915
    » Forma Surirella nana f. genuina Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Surirella nana f. nana Cleve-Euler, 1915 (uncertain, unassessed)
    » Forma Surirella nana f. subconstricta Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella nana var. pantocsekii Cleve-Euler, 1939 (uncertain, unassessed)
    » Variety Surirella nana var. torneensis Cleve-Euler, 1952 (uncertain, unassessed)
  » Species Surirella neglecta E.Reichardt, 2012
  » Species Surirella nyassae Otto Müller
    » Variety Surirella nyassae var. engleri (Otto Müller) Ostenfeld, 1909 represented as Surirella engleri f. engleri Otto Müller, 1903
    » Variety Surirella nyassae var. malombae (Otto Müller) Ostenfeld, 1909 represented as Surirella malombae f. malombae Otto Müller, 1903
    » Forma Surirella nyassae f. angusta Ostenfeld, 1908 (uncertain, unassessed)
    » Forma Surirella nyassae f. curta Ostenfeld, 1908 (uncertain, unassessed)
    » Forma Surirella nyassae f. latior Ostenfeld, 1908 (uncertain, unassessed)
    » Variety Surirella nyassae var. baikalensis Skvortzow, 1937 (uncertain, unassessed)
    » Variety Surirella nyassae var. nyassae Otto Müller, 1903 (uncertain, unassessed)
    » Variety Surirella nyassae var. sagitta Otto Müller, 1903 (uncertain, unassessed)
  » Species Surirella oregonica Ehrenberg
    » Variety Surirella oregonica var. perminuta A. Cleve, 1900 (uncertain, unassessed)
  » Species Surirella ovalis Brébisson, 1838
    » Forma Surirella ovalis f. aequalis (Kutzing ex Van Heurck) Mayer, 1913 represented as Surirella ovata var. aequalis Kützing, 1844
    » Forma Surirella ovalis f. capitata Liebetanz, 1925 (1926)
    » Forma Surirella ovalis f. crumena (Brébisson ex Kützing) Van Heurck, 1885 represented as Surirella crumena Brébisson ex Kützing, 1849
    » Forma Surirella ovalis f. intermedia (Rabenhorst) Mayer, 1913 represented as Surirella intermedia Rabenhorst, 1857
    » Forma Surirella ovalis f. ovata (Kützing) Mayer, 1919 represented as Surirella ovata f. ovata Kützing, 1844
    » Forma Surirella ovalis f. panduriformis (W. Smith) Cleve-Euler, 1932 represented as Surirella panduriformis W. Smith, 1853
    » Forma Surirella ovalis f. pinnata (W. Smith) Van Heurck, 1885 represented as Surirella pinnata var. pinnata W. Smith, 1853
    » Forma Surirella ovalis f. pyriformis (Pantocsek) Cleve-Euler, 1922 represented as Surirella peisonis var. pyriformis Pantocsek, 1902
    » Variety Surirella ovalis var. angusta (Kützing) Van Heurck, 1885 represented as Surirella angusta f. angusta Kützing, 1844
    » Variety Surirella ovalis var. baltica (Schumann) Cleve-Euler, 1952 represented as Surirella baltica J.Schumann, 1867
    » Variety Surirella ovalis var. brightwellii (W.Smith) H.Peragallo & M.Peragallo, 1899 represented as Surirella brightwellii W.Smith, 1853
    » Variety Surirella ovalis var. minuta (Schumann) Van Heurck, 1885 represented as Surirella minuta f. minuta Brébisson, 1838
    » Variety Surirella ovalis var. panduriformis (W. Smith) West & West, 1901 represented as Surirella panduriformis W. Smith, 1853
    » Variety Surirella ovalis var. pyriformis (Pantocsek) Cleve-Euler, 1952 represented as Surirella peisonis var. pyriformis Pantocsek, 1902
    » Variety Surirella ovalis var. salina (W. Smith) Van Heurck, 1896 represented as Surirella salina var. salina W. Smith, 1851
    » Variety Surirella ovalis var. signata (Pantocsek) Cleve-Euler, 1932 represented as Surirella signata Pantocsek, 1892
    » Variety Surirella ovalis var. ovata (Kützing) Van Heurck, 1885 accepted as Surirella minuta Brébisson, 1849 (synonym)
    » Variety Surirella ovalis var. pinnata (W.Smith) Van Heurck, 1885 accepted as Surirella minuta Brébisson, 1849 (Synonym)
    » Forma Surirella ovalis f. aequalis Dippel, 1905 (uncertain, unassessed)
    » Forma Surirella ovalis f. aequalis (Kutzing ex Van Heurck) A. Cleve, 1900 (uncertain, unassessed)
    » Forma Surirella ovalis f. apiculata Otto Müller, 1903 (uncertain, unassessed)
    » Forma Surirella ovalis f. genuina Grunow, 1862 (uncertain, unassessed)
    » Forma Surirella ovalis f. longior P. Pero, 1893 (uncertain, unassessed)
    » Forma Surirella ovalis f. major Liebetanz, 1925 (1926) (uncertain, unassessed)
    » Forma Surirella ovalis f. minima Liebetanz, 1925 (1926) (uncertain, unassessed)
    » Forma Surirella ovalis f. minor (Otto Müller) (uncertain, unassessed)
    » Forma Surirella ovalis f. minor Otto Müller, 1903 (uncertain, unassessed)
    » Forma Surirella ovalis f. minuta Van Heurck, 1885 (uncertain, unassessed)
    » Forma Surirella ovalis f. ovalis Brébisson, 1838 (uncertain, unassessed)
    » Forma Surirella ovalis f. peisonis Cleve-Euler, 1922 (uncertain, unassessed)
    » Forma Surirella ovalis f. pseudopinnata Mayer, 1913 (uncertain, unassessed)
    » Forma Surirella ovalis f. punctata Szemes, 1959 (1960) (uncertain, unassessed)
    » Forma Surirella ovalis f. subconstricta Mayer, 1913 (uncertain, unassessed)
    » Forma Surirella ovalis f. suborbicularis Cleve-Euler, 1922 (uncertain, unassessed)
    » Forma Surirella ovalis f. subovata Dippel, 1905 (uncertain, unassessed)
    » Forma Surirella ovalis f. tientsinensis Skvortzow, 1927 (uncertain, unassessed)
    » Forma Surirella ovalis f. typica Mayer, 1913 (uncertain, unassessed)
    » Forma Surirella ovalis f. typica Mayer, 1913 (uncertain, unassessed)
    » Variety Surirella ovalis var. alaskaensis Foged, 1981 (uncertain, unassessed)
    » Variety Surirella ovalis var. ambigua A.Mayer, 1913 (uncertain, unassessed)
    » Variety Surirella ovalis var. angusta P. Pero, 1893 (uncertain, unassessed)
    » Variety Surirella ovalis var. baicalensis Skvortzow & Meyer, 1928 (uncertain, unassessed)
    » Variety Surirella ovalis var. cuneata M. Peragallo in Héribaud et al., 1920 (uncertain, unassessed)
    » Variety Surirella ovalis var. elongata M. Peragallo in Héribaud et al., 1920 (uncertain, unassessed)
    » Variety Surirella ovalis var. enormis De Toni & Forti, 1909 (uncertain, unassessed)
    » Variety Surirella ovalis var. excelsa Otto Müller, 1899 (uncertain, unassessed)
    » Variety Surirella ovalis var. fossilis M. Peragallo in Heribaud et al., 1920 (uncertain, unassessed)
    » Variety Surirella ovalis var. guttata A. Berg, 1945 (uncertain, unassessed)
    » Variety Surirella ovalis var. hankensis Skvortzow, 1929 (uncertain, unassessed)
    » Variety Surirella ovalis var. hungarica Pantocsek, 1902 (uncertain, unassessed)
    » Variety Surirella ovalis var. intermedia Rabenhorst (uncertain, unassessed)
    » Variety Surirella ovalis var. kotschyana Grunow in Schmidt et al., 1877 (uncertain, unassessed)
    » Variety Surirella ovalis var. latestriata Liebetanz, 1925 (1926) (uncertain, unassessed)
    » Variety Surirella ovalis var. lewisii Playfair, 1915 (uncertain, unassessed)
    » Variety Surirella ovalis var. linearis M. Peragallo in Héribaud et al., 1920 (uncertain, unassessed)
    » Variety Surirella ovalis var. marina Grunow, 1862 (uncertain, unassessed)
    » Variety Surirella ovalis var. maxima Grunow, 1862 (uncertain, unassessed)
    » Variety Surirella ovalis var. natrophila Szemes, 1959 (uncertain, unassessed)
    » Variety Surirella ovalis var. nipponica Skvortzow, 1936 (uncertain, unassessed)
    » Variety Surirella ovalis var. patella Heiden, 1900 (uncertain, unassessed)
    » Variety Surirella ovalis var. peisonis Szemes, 1959 (1960) (uncertain, unassessed)
    » Variety Surirella ovalis var. punctatissima Heribaud et al., 1920 (uncertain, unassessed)
    » Variety Surirella ovalis var. quillensis Bailey, 1924 (uncertain, unassessed)
    » Variety Surirella ovalis var. submamillata W. West, 1912 (uncertain, unassessed)
    » Variety Surirella ovalis var. suevica (G.Zeller) Ant.Mayer (uncertain, unassessed)
    » Variety Surirella ovalis var. torta M. Peragallo in Héribaud et al., 1920 (uncertain, unassessed)
    » Variety Surirella ovalis var. utahensis Kisselev, 1932 (uncertain, unassessed)
  » Species Surirella pandura H.Peragallo & M.Peragallo
  » Species Surirella parahelvetica A.Cvetkoska, Z.Levkov & P.B.Hamilton, 2014
  » Species Surirella patella Ehrenberg
  » Species Surirella patella Kützing, 1844
    » Variety Surirella patella var. borscowi (Mereschkowsky) Cleve-Euler, 1952 represented as Surirella borscowi Mereschkowsky, 1906
    » Variety Surirella patella var. densecostata Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella patella var. fossilis Meister, 1912 (uncertain, unassessed)
    » Variety Surirella patella var. hankensis Skvortzow, 1929 (uncertain, unassessed)
    » Variety Surirella patella var. jurassica Meister, 1912 (uncertain, unassessed)
    » Variety Surirella patella var. minor Legler, 1939 (uncertain, unassessed)
    » Variety Surirella patella var. minor Proschkina-Lavrenko, 1953 (uncertain, unassessed)
    » Variety Surirella patella var. minuta Voigt, 1942 (uncertain, unassessed)
    » Variety Surirella patella var. mongolica Skvortzow, 1938 (uncertain, unassessed)
    » Variety Surirella patella var. patella Kützing, 1844 (uncertain, unassessed)
    » Variety Surirella patella var. subaequalis Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella patella var. subtilis Meister, 1912 (uncertain, unassessed)
  » Species Surirella peisonis Pantocsek, 1902
    » Forma Surirella peisonis f. minima Uherkovich, 1965 (uncertain, unassessed)
    » Forma Surirella peisonis f. peisonis Pantocsek, 1902 (uncertain, unassessed)
    » Forma Surirella peisonis f. punctata Szemes, 1959 (1960) (uncertain, unassessed)
    » Variety Surirella peisonis var. angulata Pantocsek, 1912 (uncertain, unassessed)
    » Variety Surirella peisonis var. pyriformis Pantocsek, 1902 (uncertain, unassessed)
    » Variety Surirella peisonis var. subpyriformis Pantocsek, 1912 (uncertain, unassessed)
  » Species Surirella plana G.S.West, 1907
    » Variety Surirella plana var. algensis Playfair, 1915 (uncertain, unassessed)
    » Variety Surirella plana var. plana G.S. West, 1907 (uncertain, unassessed)
  » Species Surirella prespanensis Cvetkoska, Levkov & Hamilton, 2015
  » Species Surirella rattrayi A.W.F.Schmidt
    » Forma Surirella rattrayi f. acuminata Foged, 1979 (uncertain, unassessed)
    » Forma Surirella rattrayi f. minor Grunow in Cleve & Möller, 1882 (uncertain, unassessed)
    » Forma Surirella rattrayi f. rattrayi Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Surirella recedens A.Schmidt, 1875
    » Variety Surirella recedens var. arenosa Brun, 1895 (uncertain, unassessed)
    » Variety Surirella recedens var. recedens Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Surirella reniformis F.Kitton
  » Species Surirella robusta Ehrenberg, 1840
    » Forma Surirella robusta f. minor Gandhi, 1955
    » Forma Surirella robusta f. astridae (Hustedt in Schmidt et al.) Cleve-Euler, 1952 represented as Surirella astridae Hustedt, 1925
    » Forma Surirella robusta f. hankensis (Skvortzow) Kisselev in Proschkina-Lavrenko, 1950 represented as Surirella splendida var. hankensis Skvortzow, 1929
    » Forma Surirella robusta f. punctata Hustedt, 1930 represented as Surirella splendida var. punctata Hustedt, 1909
    » Forma Surirella robusta f. saxonica (Auerswald ex Rabenhorst) Mayer, 1918 represented as Surirella saxonica var. saxonica Auerswald in Rabenhorst, 1863
    » Forma Surirella robusta f. splendida (Ehrenberg; Ehrenberg) Van Heurck, 1885 represented as Navicula splendida Ehrenberg, 1832
    » Variety Surirella robusta var. nobilis (W. Smith) Cleve-Euler, 1952 represented as Surirella nobilis W. Smith, 1853
    » Variety Surirella robusta var. tenera (Gregory) van Heurck, 1885 represented as Surirella tenera f. tenera Gregory, 1856
    » Variety Surirella robusta var. splendida (Ehrenberg; Ehremberg) Van Heurck, 1885 accepted as Surirella splendida (Ehrenberg) Kützing, 1844 (synonym)
      » Forma Surirella robusta var. splendida f. constricta C.W.Fontell (uncertain, unassessed)
    » Forma Surirella robusta f. constricta Hustedt in Schmidt et al., 1912 (uncertain, unassessed)
    » Forma Surirella robusta f. constricta Fontell, 1917 (uncertain, unassessed)
    » Forma Surirella robusta f. cristata Cleve-Euler, 1934 (uncertain, unassessed)
    » Forma Surirella robusta f. hustedtiana (Mayer) Hustedt (uncertain, unassessed)
    » Forma Surirella robusta f. lata Hustedt, 1927 (uncertain, unassessed)
    » Forma Surirella robusta f. longissima Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Surirella robusta f. magnipunctata Fontell, 1917 (uncertain, unassessed)
    » Forma Surirella robusta f. maxima Mayer, 1939 (1940) (uncertain, unassessed)
    » Forma Surirella robusta f. minor Dippel, 1905 (uncertain, unassessed)
    » Forma Surirella robusta f. minor Van Heurck, 1881 (uncertain, unassessed)
    » Forma Surirella robusta f. minor Peragallo & Peragallo, 1899 (uncertain, unassessed)
    » Forma Surirella robusta f. nipponica Skvortzow, 1937 (uncertain, unassessed)
    » Forma Surirella robusta f. ovata Thomas & Gonzalves, 1965 (uncertain, unassessed)
    » Forma Surirella robusta f. punctata Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Surirella robusta f. robusta Ehrenberg, 1840 (uncertain, unassessed)
    » Forma Surirella robusta f. typica Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella robusta var. andina Manguin, 1964 (uncertain, unassessed)
    » Variety Surirella robusta var. appendiculata Roll & Markovskii, 1936 (uncertain, unassessed)
    » Variety Surirella robusta var. armata Hustedt, 1937 (uncertain, unassessed)
    » Variety Surirella robusta var. bispinosa Manguin ex Kociolek & Reviers, 1996 (uncertain, unassessed)
    » Variety Surirella robusta var. constricta Pero, 1893 (uncertain, unassessed)
    » Variety Surirella robusta var. elliptica Petit, 1888 (uncertain, unassessed)
    » Variety Surirella robusta var. erosa Tempère & Peragallo, 1908 (uncertain, unassessed)
    » Variety Surirella robusta var. genuina Mayer, 1918 (uncertain, unassessed)
    » Variety Surirella robusta var. hankensis Skvortzow, 1929 (uncertain, unassessed)
    » Variety Surirella robusta var. ikedae Skvortzow, 1971 (uncertain, unassessed)
    » Variety Surirella robusta var. manschurica Skvortzow, 1928 (uncertain, unassessed)
    » Variety Surirella robusta var. marginata Cleve-Euler, 1915 (uncertain, unassessed)
    » Variety Surirella robusta var. minor Petkoff, 1910 (uncertain, unassessed)
    » Variety Surirella robusta var. nipponica Skvortzow, 1936 (uncertain, unassessed)
    » Variety Surirella robusta var. okamurae Skvortzow, 1937 (uncertain, unassessed)
    » Variety Surirella robusta var. ovalis Seczkina in Jouse & Seczkina, 1960 (uncertain, unassessed)
    » Variety Surirella robusta var. ovata Tempère & Peragallo, 1914 (uncertain, unassessed)
    » Variety Surirella robusta var. ovata Cleve-Euler, 1922 (uncertain, unassessed)
    » Variety Surirella robusta var. splendida (Auerswald) Mayer, 1918 (uncertain, unassessed)
  » Species Surirella ruckia Bennett, Laslandes & Kociolek in Kociolek et al., 2014
  » Species Surirella rudis Hustedt
    » Forma Surirella rudis f. constricta Woodhead & Tweed, 1960 (uncertain, unassessed)
    » Forma Surirella rudis f. sierraleonensis Woodhead & Tweed, 1960 (uncertain, unassessed)
    » Variety Surirella rudis var. laevis Hustedt, 1942 (uncertain, unassessed)
    » Variety Surirella rudis var. rudis Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
  » Species Surirella salsa
    » Variety Surirella salsa var. hungarica Pantocsek, 1892 (uncertain, unassessed)
  » Species Surirella saxonica Auerswald ex Rabenhorst, 1861
    » Variety Surirella saxonica var. cristata Pantocsek, 1902 (uncertain, unassessed)
    » Variety Surirella saxonica var. saxonica Auerswald in Rabenhorst, 1863 (uncertain, unassessed)
    » Variety Surirella saxonica var. sinica Skvortzow, 1929 (uncertain, unassessed)
  » Species Surirella simplex A.Cleve, 1939
    » Variety Surirella simplex var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella simplex var. intermedia Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella simplex var. latior Cleve-Euler, 1939 (uncertain, unassessed)
    » Variety Surirella simplex var. oblonga Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella simplex var. simplex Cleve-Euler, 1939 (uncertain, unassessed)
  » Species Surirella smithii Ralfs, 1861
  » Species Surirella spinifera Hustedt
    » Variety Surirella spinifera var. armata Manguin ex Kociolek & Reviers, 1996 (uncertain, unassessed)
    » Variety Surirella spinifera var. fossilis Manguin, 1952 (uncertain, unassessed)
    » Variety Surirella spinifera var. spinifera Hustedt, 1935 (uncertain, unassessed)
  » Species Surirella spiraloides Hustedt in Schmidt et al., 1924
  » Species Surirella striatula Turpin, 1828
    » Variety Surirella striatula var. halophila S.Blanco, I.Alvarez-Blanco & C.Cejudo-Figueiras, 2012
    » Variety Surirella striatula var. costata (Neupauer) M. Peragallo, 1903 represented as Surirella costata var. costata Neupauer, 1867
    » Forma Surirella striatula f. angustior Elenkin & Danilov, 1915 (uncertain, unassessed)
    » Forma Surirella striatula f. punctata Otto Müller, 1909 (uncertain, unassessed)
    » Forma Surirella striatula f. striatula Turpin, 1816-1829 (1828) (uncertain, unassessed)
    » Variety Surirella striatula var. antiqua Pantocsek, 1886 (uncertain, unassessed)
    » Variety Surirella striatula var. azpeitiae Forti in Tempère & Peragallo, 1912 (uncertain, unassessed)
    » Variety Surirella striatula var. baileyana Mackay in L.W. Bailey, 1924 (uncertain, unassessed)
    » Variety Surirella striatula var. biplicata Grunow in Van Heurck, 1885 (uncertain, unassessed)
    » Variety Surirella striatula var. densiplicata Cleve-Euler, 1915 (uncertain, unassessed)
    » Variety Surirella striatula var. gautieri Héribaud & Brun in Héribaud, 1893 (uncertain, unassessed)
    » Variety Surirella striatula var. glabrostriata Proschkina-Lavrenko, 1963 (uncertain, unassessed)
    » Variety Surirella striatula var. minor Tynni, 1980 (uncertain, unassessed)
    » Variety Surirella striatula var. pinnata Hajós, 1959 (uncertain, unassessed)
    » Variety Surirella striatula var. spinifera Hohn & Hellerman, 1966 (uncertain, unassessed)
    » Variety Surirella striatula var. typica Cleve-Euler, 1952 (uncertain, unassessed)
  » Species Surirella subantarctica B.van de Vijver & C.Cocquyt, 2013
  » Species Surirella submargaritifera C.Cocquyt & W.-H.Kusber, 2007
  » Species Surirella subrotunda A.Cvetkoska, Z.Levkov & P.B.Hamilton, 2014
  » Species Surirella subsalsa W.Smith, 1853
    » Forma Surirella subsalsa f. major Gandhi, 1958
    » Forma Surirella subsalsa f. minuta Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Surirella subsalsa f. subsalsa W. Smith, 1856 (uncertain, unassessed)
  » Species Surirella suecica Grunow
    » Forma Surirella suecica f. grunowi Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Surirella suecica f. pusilla Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella suecica var. suecica Grunow in Van Heurck, 1881 (uncertain, unassessed)
    » Variety Surirella suecica var. vetteri Cleve-Euler, 1952 (uncertain, unassessed)
  » Species Surirella tayronarum Medina Tombe, Sala, Vouilloud & Ramirez Restrepo, 2016
  » Species Surirella tenera W.Gregory, 1856
    » Variety Surirella tenera var. ambigua Gandhi, 1957
    » Variety Surirella tenera var. nervosa A.Schmidt, 1875
    » Forma Surirella tenera f. subconstricta Hustedt represented as Surirella tenera var. subconstricta Hustedt, 1911
    » Variety Surirella tenera var. palmeri (Boyer) Hustedt in Schmidt et al., 1927 represented as Surirella palmeri Boyer, 1920
    » Forma Surirella tenera f. constricta Mayer, 1916 (1917) (uncertain, unassessed)
    » Forma Surirella tenera f. cristata Hustedt, 1957 (uncertain, unassessed)
    » Forma Surirella tenera f. horrida Lenoble & Manguin, 1949 (uncertain, unassessed)
    » Forma Surirella tenera f. manguini Kociolek & Reviers, 1996 (uncertain, unassessed)
    » Forma Surirella tenera f. minor Cholnoky, 1958 (uncertain, unassessed)
    » Forma Surirella tenera f. nervosa Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
    » Forma Surirella tenera f. punctata Manguin, 1960 (uncertain, unassessed)
    » Forma Surirella tenera f. pusilla Mayer, 1913 (uncertain, unassessed)
    » Forma Surirella tenera f. tenera Gregory, 1856 (uncertain, unassessed)
    » Variety Surirella tenera var. fossilis Pantocsek, 1892 (uncertain, unassessed)
    » Variety Surirella tenera var. genuina Mayer, 1913 (uncertain, unassessed)
    » Variety Surirella tenera var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella tenera var. hinganica Skvortzov, 1976 (uncertain, unassessed)
    » Variety Surirella tenera var. indica Thomas & Gonzalves, 1965 (uncertain, unassessed)
    » Variety Surirella tenera var. nervosa sensu Hustedt, 1930 (uncertain, unassessed)
    » Variety Surirella tenera var. nipponica Skvortzow, 1936 (uncertain, unassessed)
    » Variety Surirella tenera var. punctata Skvortzow, 1936 (uncertain, unassessed)
    » Variety Surirella tenera var. robusta Tempère & Peragallo, 1908 (uncertain, unassessed)
    » Variety Surirella tenera var. splendidula A.Schmidt, 1875 (uncertain, unassessed)
    » Variety Surirella tenera var. subconstricta Hustedt, 1911 (uncertain, unassessed)
    » Variety Surirella tenera var. torta Tempère & Peragallo, 1911 (uncertain, unassessed)
    » Variety Surirella tenera var. verrucosa (uncertain, unassessed)
  » Species Surirella tenuis Mayer, 1916
    » Variety Surirella tenuis var. nipponica Skvortzow, 1937 (uncertain, unassessed)
    » Variety Surirella tenuis var. tenuis Mayer, 1916 (1917) (uncertain, unassessed)
  » Species Surirella toulaae Pantocsek
    » Variety Surirella toulaae var. marginestriata Missuna, 1914 (uncertain, unassessed)
  » Species Surirella tuberosa Otto Müller
    » Forma Surirella tuberosa f. costata (Frenguelli) O.C. Schmidt, 1937 represented as Surirella tuberosa var. costata Frenguelli, 1923
    » Forma Surirella tuberosa f. alpha Otto Müller, 1909 (uncertain, unassessed)
    » Forma Surirella tuberosa f. beta Otto Müller, 1909 (uncertain, unassessed)
    » Forma Surirella tuberosa f. elongata Frenguelli, 1924 (uncertain, unassessed)
    » Forma Surirella tuberosa f. elongata Frenguelli, 1923 (uncertain, unassessed)
    » Forma Surirella tuberosa f. tuberosa Otto Müller, 1909 (uncertain, unassessed)
    » Variety Surirella tuberosa var. costata Frenguelli, 1923 (uncertain, unassessed)
    » Variety Surirella tuberosa var. major Frenguelli, 1945 (uncertain, unassessed)
  » Species Surirella undulata (Ehrenberg) Ehrenberg, 1845
  » Species Surirella variabilis A.Cleve, 1951
    » Forma Surirella variabilis f. cuneata Cleve-Euler, 1951 (uncertain, unassessed)
    » Forma Surirella variabilis f. oblonga Cleve-Euler, 1951 (uncertain, unassessed)
    » Forma Surirella variabilis f. variabilis Cleve-Euler, 1951 (uncertain, unassessed)
    » Variety Surirella variabilis var. constricta (Cleve-Euler) Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella variabilis var. cuneata (Cleve-Euler) Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella variabilis var. linearis Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella variabilis var. oblonga Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella variabilis var. pyriformis Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella variabilis var. rhombica Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella variabilis var. sagitta Cleve-Euler, 1952 (uncertain, unassessed)
  » Species Surirella verrucosa Pantocsek, 1892
    » Variety Surirella verrucosa var. fossilis Thum Slides (uncertain, unassessed)
    » Variety Surirella verrucosa var. verrucosa Pantocsek, 1892 (uncertain, unassessed)
  » Species Surirella wulingensis Liu & Ector, 2019
  » Species Surirella xinjiangiana (Q.You & Kociolek) Kociolek in Liu et al., 2020
  » Species Surirella abludens (Grunow in Schmidt et al.) M. Peragallo, 1903 represented as Surirella fastuosa var. abludens Grunow in Schmidt et al., 1875
  » Species Surirella afrocalcarata Cocquyt & R. Jahn, 2017 represented as Cymatopleura calcarata Hustedt in Schmidt, 1927
  » Species Surirella amphioxys W.Smith, 1856 represented as Iconella amphioxys (W.Smith) D.Kapustin & O.Kryvosheia in Kryosheia & Kapustin, 2019 (unassessed)
    » Variety Surirella amphioxys var. alaskaensis Foged, 1981 (uncertain, unassessed)
  » Species Surirella clavata (O. Müll.) Cocquyt & R. Jahn, 2017 represented as
  » Species Surirella comperei (Cocquyt & R. Jahn) Cocquyt & R. Jahn, 2017 represented as Cymatopleura comperei C.Cocquyt & R.Jahn, 2014
  » Species Surirella constricta (Grunow) Studnicka, 1888 represented as Surirella linearis f. constricta Grunow, 1862
  » Species Surirella cuneata A.Schmidt, 1874 represented as Surirella fastuosa var. cuneata O.Witt, 1873
  » Species Surirella elongata (Pantocsek) Crosby & Wood, 1959 represented as Surirella biseriata var. elongata Pantocsek, 1902
  » Species Surirella fastuosa (Ehrenberg) Ehrenberg, 1843 represented as Navicula fastuosa Ehrenberg, 1840
    » Variety Surirella fastuosa var. collare (A. Schmidt) Cleve, 1901 represented as Surirella collare Schmidt in Schmidt et al., 1874
    » Variety Surirella fastuosa var. exima (Greville) Cleve, 1901 represented as Surirella eximia Greville, 1857
    » Variety Surirella fastuosa var. lindbergii (Cleve-Euler) Cleve-Euler, 1952 represented as Surirella lindbergii Cleve-Euler, 1915
    » Variety Surirella fastuosa var. suborbicularis (Grunow in Schmidt et al.) Peragallo & Peragallo, 1899 represented as Surirella fastuosa f. suborbicularis Grunow in Schmidt et al., 1875
    » Forma Surirella fastuosa f. magna (uncertain, unassessed)
      » Subforma Surirella fastuosa f. magna suborbicularis Rabenhorst, 1864 (uncertain, unassessed)
    » Forma Surirella fastuosa f. recedens (A. Schmidt) J. Deby, 1896 (uncertain, unassessed)
    » Variety Surirella fastuosa var. baldjikiana Habirshaw (uncertain, unassessed)
    » Variety Surirella fastuosa var. beta (uncertain, unassessed)
    » Variety Surirella fastuosa var. cuneata O.Witt, 1873 (uncertain, unassessed)
    » Variety Surirella fastuosa var. genuina Cleve-Euler, 1952 (uncertain, unassessed)
    » Variety Surirella fastuosa var. hyalina Voigt, 1949 (uncertain, unassessed)
    » Variety Surirella fastuosa var. hybrida Thum Slides (uncertain, unassessed)
  » Species Surirella flexuosa Ehrenberg, 1843 represented as Spirodiscina flexuosa (Ehr.) S.Blanco & C.E.Wetzel, 2016 (unassessed)
  » Species Surirella fuchsii (Pantocsek) Thum Slides represented as Rhaphoneis fuchsii Pantocsek, 1889
  » Species Surirella kerguelensis Grunow in Schmidt et al., 1877 represented as Iconella kerguelensis (Grunow) Cocquyt & Van de Vijver, 2018
  » Species Surirella laticeps (O. Müll.) Cocquyt & R. Jahn, 2017 represented as Cymatopleura solea var. laticeps O.Müller, 1904
  » Species Surirella martensiana (Grunow & Eulenstein in Grunow) M. Peragallo, 1903 represented as Plagiodiscus martensianus Grunow & Eulenstein, 1867
  » Species Surirella multifasciata (Kützing) Kützing, 1844 represented as Frustulia multifasciata Kützing, 1833 (1834)
  » Species Surirella muscicola (Krasske) H. Lange-Bertalot & D. Metzeltin in G. Moser, H. Lange-Bertalot & D. Metzeltin, 1998 represented as Surirella arctissima var. muscicola Krasske, 1948
  » Species Surirella nervosa (A.Schmidt) A.Mayer, 1913 represented as Surirella tenera f. nervosa Schmidt in Schmidt et al., 1875
  » Species Surirella nyansae (G.S. West) Cocquyt & R. Jahn, 2017 represented as Cymatopleura nyansae G.S.West, 1907
  » Species Surirella pacifica A.W.F.Schmidt represented as Surirella lata var. robusta O. Witt, 1873
  » Species Surirella panduriformis (H. Peragallo in Peragallo & Peragallo) F.W. Mills, 1935 represented as Surirella fastuosa var. panduriformis Cleve & Möller, 1878
  » Species Surirella punctata (Grunow in Schmidt et al.) M. Peragallo, 1903 represented as Surirella fastuosa var. punctata Grunow in Schmidt et al., 1877
  » Species Surirella scanica (Halden) Cleve-Euler, 1952 represented as Surirella torquata var. scanica Halden, 1929
  » Species Surirella sicula (Ehrenberg) Ehrenberg, 1844 represented as Navicula sicula Ehrenberg, 1839
  » Species Surirella speciosa (Hustedt) F.W.Mills, 1935 represented as Navicula speciosa Hustedt, 1913
  » Species Surirella spiralis Kützing, 1844 represented as Spirodiscina spiralis (Kütz.) S.Blanco & C.E.Wetzel, 2016
    » Forma Surirella spiralis f. major Pelletan, 1889 (uncertain, unassessed)
    » Forma Surirella spiralis f. spiralis Kützing, 1844 (uncertain, unassessed)
  » Species Surirella splendida (Ehrenberg) Kützing, 1844 represented as Navicula bifrons Ehrenberg, 1833
    » Forma Surirella splendida f. splendida (Ehrenberg) Kützing, 1844 represented as Navicula splendida Ehrenberg, 1832
    » Variety Surirella splendida var. minor (Dippel) Mayer, 1913 represented as Surirella robusta f. minor Dippel, 1905
    » Variety Surirella splendida var. nobilis (W. Smith) Studnicka, 1888 represented as Surirella nobilis W. Smith, 1853
    » Variety Surirella splendida var. saxonica (Auerswald ex Rabenhorst) Mayer, 1913 represented as Surirella saxonica var. saxonica Auerswald in Rabenhorst, 1863
    » Forma Surirella splendida f. angustissima Ardissone, 1866 (uncertain, unassessed)
    » Forma Surirella splendida f. minor Truan y Luard, 1885 (uncertain, unassessed)
    » Forma Surirella splendida f. minor Van Heurck, 1881 (uncertain, unassessed)
    » Forma Surirella splendida f. minor Tempère & Peragallo, 1907 (uncertain, unassessed)
    » Forma Surirella splendida f. punctata (Hustedt) Hustedt, 1957 (uncertain, unassessed)
    » Variety Surirella splendida var. angusta Mayer, 1912 (uncertain, unassessed)
    » Variety Surirella splendida var. elongata Mayer, 1912 (uncertain, unassessed)
    » Variety Surirella splendida var. fossilis Pantocsek ex Thum Slides (uncertain, unassessed)
    » Variety Surirella splendida var. genuina Mayer, 1912 (uncertain, unassessed)
    » Variety Surirella splendida var. hankensis Skvortzow, 1929 (uncertain, unassessed)
    » Variety Surirella splendida var. linearis Ralfs in Pritchard, 1861 (uncertain, unassessed)
    » Variety Surirella splendida var. minima Østrup, 1895 (uncertain, unassessed)
    » Variety Surirella splendida var. minor Meister, 1912 (uncertain, unassessed)
    » Variety Surirella splendida var. minor Tempère & Peragallo, 1915 (uncertain, unassessed)
    » Variety Surirella splendida var. norvegica (Euler) Brun ex Petit (uncertain, unassessed)
    » Variety Surirella splendida var. punctata Hustedt, 1909 (uncertain, unassessed)
  » Species Surirella subrugosa Cocquyt & R. Jahn, 2017 represented as Cymatopleura solea var. rugosa O.Müller, 1904
  » Species Surirella thermalis (Ehrenberg) Kützing, 1844 represented as Pinnularia thermalis Ehrenberg, 1841
  » Species Surirella tumida (O.Müller) C.Cocquyt & R.Jahn, 2005 represented as Surirella bifrons f. tumida Otto Müller, 1903
  » Species Surirella utahensis (Grunow in Schmidt et al.) Hanna & Grant, 1929 represented as Surirella ovata var. utahensis Grunow in Schmidt et al., 1875
  » Species Surirella clypeus Ehrenberg, 1840 accepted as Campylodiscus clypeus (Ehrenberg) Ehrenberg ex Kützing, 1844 (Synonym)
  » Species Surirella craticula (Ehrenberg) Ehrenberg, 1840 accepted as Surirella biseriata var. bifrons (Ehrenberg) Hustedt, 1911 (synonym)
    » Variety Surirella craticula var. craticula (Ehrenberg) Ehrenberg, 1840 represented as Navicula craticula Ehrenberg, 1840
    » Subspecies Surirella craticula subsp. major Ehrenberg, 1856 (uncertain, unassessed)
    » Variety Surirella craticula var. acuta Ehrenberg, 1854 (uncertain, unassessed)
    » Variety Surirella craticula var. chilensis Ehrenberg, 1843 (uncertain, unassessed)
    » Variety Surirella craticula var. obtusa Ehrenberg, 1854 (uncertain, unassessed)
    » Variety Surirella craticula var. opulenta Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella delicatissima F.W.Lewis, 1864 accepted as Stenopterobia delicatissima (F.W.Lewis) Brébisson ex van Heurck, 1896 (Basionym)
    » Forma Surirella delicatissima f. longirostris Cleve-Euler, 1952 (uncertain, unassessed)
    » Forma Surirella delicatissima f. tenuissima Manguin, 1942 (uncertain, unassessed)
    » Variety Surirella delicatissima var. ghanaensis Foged, 1966 (uncertain, unassessed)
    » Variety Surirella delicatissima var. nipponica Skvortzow, 1938 (uncertain, unassessed)
  » Species Surirella elliptica Brébisson ex Kützing, 1844 accepted as Cymatopleura elliptica (Brébisson) W.Smith, 1851 (basionym)
    » Variety Surirella elliptica var. elliptica Brébisson ex Kützing, 1844 (uncertain, unassessed)
    » Variety Surirella elliptica var. genuina Roll, 1930 (uncertain, unassessed)
  » Species Surirella gemma Ehrenberg, 1839 accepted as Petrodictyon gemma (Ehrenberg) D.G.Mann, 1990 (Basionym)
  » Species Surirella gracilis (W.Smith) Grunow, 1862 accepted as Nitzschia tryblionella Hantzsch, 1860 (synonym)
    » Forma Surirella gracilis f. constricta Cholnoky, 1955 (uncertain, unassessed)
    » Forma Surirella gracilis f. curvata Skvortzow, 1936 (uncertain, unassessed)
    » Variety Surirella gracilis var. africana Cholnoky, 1955 (uncertain, unassessed)
    » Variety Surirella gracilis var. constricta Héribaud, 1903 (uncertain, unassessed)
    » Variety Surirella gracilis var. eximia Héribaud, 1903 (uncertain, unassessed)
    » Variety Surirella gracilis var. genuina Mayer, 1913 (uncertain, unassessed)
    » Variety Surirella gracilis var. minor Brun in Héribaud, 1893 (uncertain, unassessed)
    » Variety Surirella gracilis var. ratisbonensis Mayer, 1913 (uncertain, unassessed)
    » Variety Surirella gracilis var. rostrata Foged, 1971 (uncertain, unassessed)
  » Species Surirella helvetica Brun, 1880 accepted as Surirella linearis var. helvetica (Brun) Meister, 1912 (synonym)
  » Species Surirella intermedia Lewis, 1864 accepted as Stenopterobia intermedia (F.W.Lewis) Van Heurck, 1896 (synonym)
  » Species Surirella norica (Ehrenberg) Brun, 1880 accepted as Campylodiscus noricus Ehrenberg ex Kützing, 1844 (synonym)
  » Species Surirella ovata Kützing, 1844 accepted as Surirella minuta Brébisson, 1849
    » Variety Surirella ovata var. angusta (Kützing) Cleve-Euler, 1952 represented as Surirella angusta f. angusta Kützing, 1844
    » Variety Surirella ovata var. crumena (Brébisson) Hustedt, 1930 represented as Surirella crumena Brébisson ex Kützing, 1849
    » Variety Surirella ovata var. intermedia G.L.Rabenhorst represented as Surirella intermedia Rabenhorst, 1857
    » Variety Surirella ovata var. ovalis (Brébisson) Kirchner, 1878 represented as Surirella ovalis f. ovalis Brébisson, 1838
    » Variety Surirella ovata var. pinnata (W.Smith) Hustedt, 1930 represented as Surirella pinnata var. pinnata W. Smith, 1853
    » Variety Surirella ovata var. pseudopinnata A.Mayer represented as Surirella ovalis f. pseudopinnata Mayer, 1913
    » Variety Surirella ovata var. salina (W.Smith) Rabenhorst, 1864 represented as Surirella salina var. salina W. Smith, 1851
    » Variety Surirella ovata var. suevica Zeller in Rabenhorst, 1868 represented as Surirella suevica Zeller in Rabenhorst, 1861
    » Variety Surirella ovata var. pinnata (W.Smith) Brun, 1880 accepted as Surirella minuta Brébisson, 1849 (Synonym)
    » Forma Surirella ovata f. punctata Otto Müller, 1909 (uncertain, unassessed)
    » Variety Surirella ovata var. aequalis Kützing, 1844 (uncertain, unassessed)
    » Variety Surirella ovata var. africana Cholnoky, 1955 (uncertain, unassessed)
    » Variety Surirella ovata var. brevicostata Pantocsek, 1902 (uncertain, unassessed)
    » Variety Surirella ovata var. elliptica Frenguelli, 1942 (uncertain, unassessed)
    » Variety Surirella ovata var. gigantea Skvortzov, 2012 (uncertain)
    » Variety Surirella ovata var. marina Brébisson in Rabenhorst, 1867 (uncertain, unassessed)
    » Variety Surirella ovata var. minuta (Schumann) Kirchner, 1878 (uncertain, unassessed)
    » Variety Surirella ovata var. ovata Grunow (uncertain, unassessed)
    » Variety Surirella ovata var. san romanae Cámara, 1950 (uncertain, unassessed)
    » Variety Surirella ovata var. utahensis Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Surirella pinnata W.Smith, 1853 accepted as Surirella minuta Brébisson, 1849 (Synonym)
    » Variety Surirella pinnata var. minuta Schumann, 1869 represented as Surirella minuta f. minuta Brébisson, 1838
    » Forma Surirella pinnata f. major P. Pero, 1893 (uncertain, unassessed)
    » Variety Surirella pinnata var. panduriformis Schumann, 1869 (uncertain, unassessed)
    » Variety Surirella pinnata var. pinnata W. Smith, 1853 (uncertain, unassessed)
  » Species Surirella solea (Brébisson) Brébisson, 1838 accepted as Cymatopleura solea (Brébisson) W.Smith, 1851 (synonym)
  » Species Surirella umbonata (Ehrenberg) G.L.Rabenhorst, 1853 accepted as Nitzschia umbonata (Ehrenberg) Lange-Bertalot, 1978 (synonym)
  » Species Surirella acanthophora Giffen, 1966 (uncertain, unassessed)
  » Species Surirella acanthophora Iltis, 1971 (uncertain, unassessed)
  » Species Surirella acredula Hohn & Hellerman, 1963 (uncertain, unassessed)
  » Species Surirella aculeata Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
  » Species Surirella acuta Ehrenberg, 1875 (uncertain, unassessed)
  » Species Surirella adriatica Kützing, 1844 (uncertain, unassessed)
  » Species Surirella adumbratus Hohn & Hellerman, 1963 (uncertain, unassessed)
  » Species Surirella aegyptiaca Salah & Tamas, 1968 (uncertain, unassessed)
  » Species Surirella affinis Hustedt in Schmidt et al., 1925 (uncertain, unassessed)
  » Species Surirella africana Leuduger-Fortmorel, 1898 (uncertain, unassessed)
  » Species Surirella africani-orientalis C.Cocquyt & R.Jahn, 2005 (uncertain, unassessed)
  » Species Surirella agmatilis Camburn, 1978 (uncertain, unassessed)
  » Species Surirella agonaensis Foged, 1966 (uncertain, unassessed)
  » Species Surirella albaregiensis Pantocsek, 1902 (uncertain, unassessed)
  » Species Surirella alicula Hohn & Hellerman, 1963 (uncertain, unassessed)
  » Species Surirella alisoviana Skvortzow, 1929 (uncertain, unassessed)
  » Species Surirella allansonii Cholnoky, 1958 (uncertain, unassessed)
  » Species Surirella alpina Perty, 1852 (uncertain, unassessed)
  » Species Surirella alstonii Skvortzow, 1930 (uncertain, unassessed)
  » Species Surirella alternans Schmidt in Schmidt et al., 1897 (uncertain, unassessed)
  » Species Surirella ambigua Kützing, 1844 (uncertain, unassessed)
  » Species Surirella americana Terry in Hustedt in A. Schmidt, 1912 (uncertain, unassessed)
    » Variety Surirella americana var. americana Terry ex Tempere & Peragallo, 1908 (uncertain, unassessed)
    » Variety Surirella americana var. intermedia Tempère & Peragallo, 1908 (uncertain, unassessed)
  » Species Surirella amoena Pantocsek, 1892 (uncertain, unassessed)
  » Species Surirella amphiamblya Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella amphibola Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella amphicentra Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella amphioxys sensu Boyer, 1916 (uncertain, unassessed)
  » Species Surirella amphisbaena Turpin (uncertain, unassessed)
  » Species Surirella anassae Cholnoky, 1957 (uncertain, unassessed)
  » Species Surirella anceps Lewis, 1863 (uncertain, unassessed)
  » Species Surirella anfractuosa Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Surirella angusta (sensu ?) Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Surirella angusta sensu Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Surirella angustata Hustedt, 1930 (uncertain, unassessed)
  » Species Surirella angustemarginata Hustedt in Schmidt et al., 1927 (uncertain, unassessed)
  » Species Surirella antarctica Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella antiqua Reichelt, 1899 (1900) (uncertain, unassessed)
    » Forma Surirella antiqua f. acuta Tempère & Peragallo, 1913 (uncertain, unassessed)
    » Forma Surirella antiqua f. antiqua Pantocsek, 1886 (uncertain, unassessed)
  » Species Surirella apiae Witt, 1873 (uncertain, unassessed)
  » Species Surirella apiculata W. Smith, 1856 (uncertain, unassessed)
    » Forma Surirella apiculata f. apiculata sensu Mayer, 1912 (uncertain, unassessed)
    » Forma Surirella apiculata f. lata Mayer, 1916 (1917) (uncertain, unassessed)
    » Forma Surirella apiculata f. pygmaea Mayer, 1912 (uncertain, unassessed)
    » Variety Surirella apiculata var. apiculata Hustedt, 1911 (uncertain, unassessed)
    » Variety Surirella apiculata var. constricta Hustedt, 1914 (uncertain, unassessed)
    » Variety Surirella apiculata var. lata Mayer, 1916 (1917) (uncertain, unassessed)
    » Variety Surirella apiculata var. panduriformis Frenguelli, 1924 (uncertain, unassessed)
  » Species Surirella approximata N.Woodhead & R.D.Tweed, 1958 (uncertain, unassessed)
  » Species Surirella arabica Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Surirella arachnoidea E.J.F. Wood, 1963 (uncertain, unassessed)
  » Species Surirella araucaniae Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella archibaldii D. Metzeltin & H. Lange-Bertalot, 2002 (uncertain, unassessed)
  » Species Surirella arcula W. Smith, 1859 (uncertain, unassessed)
  » Species Surirella argus Castracane, 1886 (uncertain, unassessed)
  » Species Surirella arguta Hustedt in Schmidt et al., 1927 (uncertain, unassessed)
  » Species Surirella armoricana H.Peragallo & M.Peragallo, 1899 (uncertain, unassessed)
  » Species Surirella arowiana Ehrenberg (uncertain, unassessed)
  » Species Surirella articulata Tikheeva, 1932 (uncertain, unassessed)
  » Species Surirella ascensionis Leuduger-Fortmorel, 1898 (uncertain, unassessed)
  » Species Surirella asowiana Ehrenberg, 1872 (uncertain, unassessed)
  » Species Surirella aspera Ehrenberg, 1845 (uncertain, unassessed)
  » Species Surirella astridae Hustedt, 1925 (uncertain, unassessed)
  » Species Surirella atomus Hustedt, 1955 (uncertain, unassessed)
  » Species Surirella attenuata Naegeli ex Kutzing, 1849 (uncertain, unassessed)
  » Species Surirella aubertii Héribaud in Héribaud et al., 1920 (uncertain, unassessed)
  » Species Surirella australis Ehrenberg, 1843 (uncertain, unassessed)
  » Species Surirella australis Schmidt in Schmidt et al., 1874 (uncertain, unassessed)
  » Species Surirella baccata Leuduger-Fortmorel, 1892 (uncertain, unassessed)
  » Species Surirella bagualensis Otto Müller, 1909 (uncertain, unassessed)
  » Species Surirella baicalensis Skvortzow & Meyer, 1928 (uncertain, unassessed)
  » Species Surirella baikalensis Dorogostaisky, 1904 (1905) (uncertain, unassessed)
  » Species Surirella baileyana MacKay in L.W. Bailey, 1921 (uncertain, unassessed)
  » Species Surirella baileyi Lewis, 1864 (uncertain, unassessed)
  » Species Surirella baldjickii G.Norman (uncertain, unassessed)
    » Variety Surirella baldjickii var. vaszaryi (Pantocsek) Proschkina-Lavrenko, 1950 represented as Surirella vaszaryi Pantocsek, 1892
    » Variety Surirella baldjickii var. baldjickii Norman, 1861 (uncertain, unassessed)
    » Variety Surirella baldjickii var. fossilis Pantocsek ex Thum Slides (uncertain, unassessed)
    » Variety Surirella baldjickii var. hungarica Pantocsek ex Thum (uncertain, unassessed)
    » Variety Surirella baldjickii var. hyalina Peragallo & Peragallo, 1899 (uncertain, unassessed)
    » Variety Surirella baldjickii var. major Peragallo & Peragallo, 1899 (uncertain, unassessed)
    » Variety Surirella baldjickii var. podolica Missuna, 1914 (uncertain, unassessed)
  » Species Surirella balteum Brun, 1891 (uncertain, unassessed)
  » Species Surirella baltica J.Schumann, 1867 (uncertain, unassessed)
  » Species Surirella barca Hohn & Hellerman, 1963 (uncertain, unassessed)
  » Species Surirella barrowcliffia Donkin, 1869 (uncertain, unassessed)
  » Species Surirella beadensis Sovereign, 1963 (uncertain, unassessed)
  » Species Surirella bellis Carruthers, 1864 (uncertain, unassessed)
  » Species Surirella bengalensis Grunow in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Surirella bertillonii Mann, 1925 (uncertain, unassessed)
  » Species Surirella bicristata Decksbach, 1928 (uncertain, unassessed)
  » Species Surirella bicuneata Lauby, 1910 (uncertain, unassessed)
  » Species Surirella bidens Hustedt, 1942 (uncertain, unassessed)
  » Species Surirella bidentata Krasske, 1939 (uncertain, unassessed)
  » Species Surirella bidentula Hustedt, 1942 (uncertain, unassessed)
  » Species Surirella bifida Cleve-Euler in Backman & Cleve-Euler, 1922 (uncertain, unassessed)
  » Species Surirella bifrons Jenner, 1845 (uncertain, unassessed)
  » Species Surirella bifurcata K.E. Lohman, 1957 (uncertain, unassessed)
  » Species Surirella biharensis Pantocsek, 1886 (uncertain, unassessed)
  » Species Surirella birostrata Hustedt, 1912 (uncertain, unassessed)
  » Species Surirella birostrata Mayer, 1916 (1917) (uncertain, unassessed)
  » Species Surirella biwensis Skvortzow, 1936 (uncertain, unassessed)
  » Species Surirella bohemica Maly, 1895 (uncertain, unassessed)
  » Species Surirella boisiana Petit, 1904 (uncertain, unassessed)
  » Species Surirella bonsaensis Foged, 1966 (uncertain, unassessed)
  » Species Surirella borneensis Hustedt in Schmidt et al., 1914 (uncertain, unassessed)
  » Species Surirella borscowi Mereschkowsky, 1906 (uncertain, unassessed)
  » Species Surirella brasiliensis Patrick, 1944 (uncertain, unassessed)
  » Species Surirella brasiliensis Hustedt in Schmidt et al., 1927 (uncertain, unassessed)
  » Species Surirella braunii Hustedt, 1965 (uncertain, unassessed)
  » Species Surirella brebissonii Krammer & Lange-Bertalot, 1987 (uncertain, unassessed)
    » Variety Surirella brebissonii var. kuetzingii Krammer & Lange-Bertalot, 1987 (uncertain, unassessed)
    » Variety Surirella brebissonii var. lineata R. Flower, 2005 (uncertain, unassessed)
    » Variety Surirella brebissonii var. punctata Krammer, 1987 (uncertain, unassessed)
  » Species Surirella breuteliana Rabenhorst, 1853 (uncertain, unassessed)
  » Species Surirella brevis Ehrenberg, 1844 (1845) (uncertain, unassessed)
  » Species Surirella brightwellii W.Smith, 1853 (uncertain, unassessed)
  » Species Surirella brunhesi Héribaud, 1908 (uncertain, unassessed)
  » Species Surirella bruni F. Héribaud, 1893 (uncertain, unassessed)
  » Species Surirella bryophila Lange-Bertalot (uncertain, unassessed)
  » Species Surirella caffra Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella calcarata Pfitzer, 1871 (uncertain, unassessed)
  » Species Surirella calceolus Carruthers, 1864 (uncertain, unassessed)
  » Species Surirella caldensis Cleve in Cleve & Moller, 1879 (uncertain, unassessed)
  » Species Surirella caledonica Ehrenberg, 1842 (uncertain, unassessed)
  » Species Surirella campechiana Hustedt in Schmidt et al., 1925 (uncertain, unassessed)
  » Species Surirella campylodiscus Ehrenberg, 1843 (uncertain, unassessed)
  » Species Surirella capensis Ehrenberg ex Cocquyt & R.Jahn, 2005 (uncertain, unassessed)
  » Species Surirella capronioides Gandhi, 1959 (uncertain, unassessed)
  » Species Surirella cardaria Brockmann, 1914 (uncertain, unassessed)
  » Species Surirella cardinalis Kitton, 1868 (uncertain, unassessed)
  » Species Surirella carinata Kitton, 1884 (uncertain, unassessed)
  » Species Surirella carnegiei Pantocsek, 1909 (uncertain, unassessed)
  » Species Surirella carolinensis Ehrenberg, 1856 (uncertain, unassessed)
  » Species Surirella carolinicola Camburn, 1978 (uncertain, unassessed)
  » Species Surirella caspia Brun, 1891 (uncertain, unassessed)
  » Species Surirella caspia Mereschkowsky, 1902 (uncertain, unassessed)
  » Species Surirella cataractarum Hustedt, 1938 (uncertain, unassessed)
  » Species Surirella celebensis Grove Collection (uncertain, unassessed)
  » Species Surirella celebesiana Hustedt (uncertain, homotypic synonym)
  » Species Surirella celtica Germain, 1981 (uncertain, unassessed)
    » Variety Surirella celtica var. constricta Leclercq, 1983 (uncertain, unassessed)
  » Species Surirella ceylonica Skvortzow, 1930 (uncertain, unassessed)
    » Forma Surirella ceylonica f. minor (H.P.Gandhi) H.P.Gandhi (uncertain, unassessed)
  » Species Surirella chachinae Skvortzow, 1929 (uncertain, unassessed)
  » Species Surirella chasei Cholnoky, 1954 (uncertain, unassessed)
  » Species Surirella chassagnei Héribaud in Héribaud et al., 1920 (uncertain, unassessed)
  » Species Surirella chepurnovii C. Cocquyt & R. Jahn, 2007 (uncertain, unassessed)
  » Species Surirella chinensis Brun, 1895 (uncertain, unassessed)
  » Species Surirella cibrile Ehrenberg ex Proschkina-Lavrenko, 1950 (uncertain, unassessed)
  » Species Surirella cincta Jurilj, 1954 (uncertain, unassessed)
  » Species Surirella cinensis H.L. Smith in litt. (uncertain, unassessed)
  » Species Surirella circumsuta Bailey, 1851 (uncertain, unassessed)
  » Species Surirella circumvallata Hustedt in Schmidt et al., 1927 (uncertain, unassessed)
  » Species Surirella citrus Metzeltin & Lange-Bertalot, 1998 (uncertain, unassessed)
  » Species Surirella clathrata Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella clavatiformis Denys, 1987 (uncertain, unassessed)
  » Species Surirella clementis Grunow, 1882 (uncertain, unassessed)
  » Species Surirella clypeus (Ehrenberg) Kützing, 1844 (uncertain, unassessed)
  » Species Surirella clypeus Dujardin, 1842 (uncertain, unassessed)
  » Species Surirella coarctata Ehrenberg, 1872 (uncertain, unassessed)
  » Species Surirella cocconeis Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella cochinchinensis Petit, 1904 (uncertain, unassessed)
  » Species Surirella coei Cholnoky, 1961 (uncertain, unassessed)
  » Species Surirella collare Schmidt in Schmidt et al., 1874 (uncertain, unassessed)
  » Species Surirella collecta J.W. Bailey, 1862 (uncertain, unassessed)
  » Species Surirella colombonensis Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Surirella columbiensis Krasske, 1948 (uncertain, unassessed)
  » Species Surirella comis A.Schmidt, 1876 (uncertain, unassessed)
    » Variety Surirella comis var. leudugeri de Wildeman, 1897 (uncertain, unassessed)
  » Species Surirella compta Ehrenberg, 1853 (1854) (uncertain, unassessed)
  » Species Surirella concentrica Mann, 1925 (uncertain, unassessed)
  » Species Surirella conifera Skvortzow, 1937 (uncertain, unassessed)
    » Variety Surirella conifera var. conifera Skvortzow, 1937 (uncertain, unassessed)
    » Variety Surirella conifera var. punctata Skvortzow, 1937 (uncertain, unassessed)
  » Species Surirella conoidea Meister, 1934 (1935) (uncertain, unassessed)
  » Species Surirella constricta Ehrenberg (uncertain, unassessed)
    » Forma Surirella constricta f. constricta (Ehrenberg) Ehrenberg, 1854 represented as Navicula constricta f. constricta Ehrenberg, 1838
    » Variety Surirella constricta var. arcta (A. Schmidt) Comber, 1901 represented as Surirella arcta var. arcta Schmidt in Schmidt et al., 1875
    » Forma Surirella constricta f. lata Otto Müller, 1904 (uncertain, unassessed)
    » Forma Surirella constricta f. latior Otto Müller, 1904 (uncertain, unassessed)
    » Forma Surirella constricta f. obtusa Skvortzow & Meyer, 1928 (uncertain, unassessed)
    » Variety Surirella constricta var. africana O.Müller, 1904 (uncertain, unassessed)
    » Variety Surirella constricta var. brasiliana Otto Müller, 1904 (uncertain, unassessed)
    » Variety Surirella constricta var. hyalina Lemmermann, 1910 (uncertain, unassessed)
    » Variety Surirella constricta var. maxima Otto Müller, 1903 (uncertain, unassessed)
  » Species Surirella constricta W. Smith, 1851 (uncertain, unassessed)
  » Species Surirella constricta Schumann, 1862 (uncertain, unassessed)
  » Species Surirella contigua A.Mann, 1925 (uncertain, unassessed)
  » Species Surirella continuata Mann, 1925 (uncertain, unassessed)
  » Species Surirella contorta Kitton, 1874 (uncertain, unassessed)
  » Species Surirella cordaria Brockmann, 1914 (uncertain, unassessed)
  » Species Surirella cordata Ehrenberg, 1845 (uncertain, unassessed)
  » Species Surirella cordiformis Østrup in Héribaud et al., 1920 (uncertain, unassessed)
  » Species Surirella cornigera Brébisson in mss. Kitton, 1869 (uncertain, unassessed)
  » Species Surirella costata Jurilj, 1948 (uncertain, unassessed)
    » Variety Surirella costata var. costata Neupauer, 1867 (uncertain, unassessed)
    » Variety Surirella costata var. pinnata Hajós, 1959 (uncertain, unassessed)
  » Species Surirella costei D. Metzeltin & H. Lange-Bertalot, 2002 (uncertain, unassessed)
  » Species Surirella costulata Hustedt in Schmidt et al., 1912 (uncertain, unassessed)
  » Species Surirella crassicostata Skabichevskii, 1936 (uncertain, unassessed)
  » Species Surirella crenata Weisse, 1867 (uncertain, unassessed)
  » Species Surirella crenulata Ehrenberg, 1845 (uncertain, unassessed)
  » Species Surirella crinata Kitton, 1884 (uncertain, unassessed)
  » Species Surirella cruciata Schmidt, 1877 (uncertain, unassessed)
  » Species Surirella crumena Brébisson ex Kützing, 1849 (uncertain, unassessed)
  » Species Surirella crumena sensu Wolle, 1890 (uncertain, unassessed)
  » Species Surirella cuneata Brébisson ms. in Kützing, 1849 (uncertain, unassessed)
  » Species Surirella cuneatella Mann, 1925 (uncertain, unassessed)
  » Species Surirella curvula Brébisson ex Kützing, 1849 (uncertain, unassessed)
  » Species Surirella cymatopleuroides H. Peragallo, 1888 (uncertain, unassessed)
  » Species Surirella davidsonii A.Schmidt, 1875 (uncertain, unassessed)
  » Species Surirella debesi Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
  » Species Surirella decora J.W. Bailey, 1862 (uncertain, unassessed)
  » Species Surirella decora Ehrenberg, 1843 (uncertain, unassessed)
  » Species Surirella degenerans Cleve, 1881 (uncertain, unassessed)
  » Species Surirella delicatissima sensu Hustedt in Schmidt et al., 1912 (uncertain, unassessed)
    » Forma Surirella delicatissima f. delicatissima Lewis, 1864 (uncertain, unassessed)
    » Variety Surirella delicatissima var. africana Cholnoky, 1959 (uncertain, unassessed)
  » Species Surirella deliciosa Cholnoky, 1963 (uncertain, unassessed)
  » Species Surirella demerarae Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Surirella dentata Schumann, 1862 (uncertain, unassessed)
  » Species Surirella desikachariensis Thomas & Gonzalves, 1965 (uncertain, unassessed)
  » Species Surirella desikacharyi Lange-Bertalot & Metzeltin, 1996 (uncertain, unassessed)
  » Species Surirella diaphana Bleisch, 1863 (uncertain, unassessed)
  » Species Surirella diminuta A. Cleve (uncertain, unassessed)
  » Species Surirella distinguenda Hustedt in Schmidt et al., 1912 (uncertain, unassessed)
  » Species Surirella distinguenda Cleve-Euler, 1915 (uncertain, unassessed)
  » Species Surirella dives Castracane, 1886 (uncertain, unassessed)
  » Species Surirella dodowaensis Foged, 1966 (uncertain, unassessed)
  » Species Surirella dubia Frenguelli, 1936 (uncertain, unassessed)
  » Species Surirella dumae Hustedt in Schmidt et al., 1913 (uncertain, unassessed)
  » Species Surirella duplex J.W. Bailey, 1861 (uncertain, unassessed)
  » Species Surirella echinulata Skabichevskii, 1936 (uncertain, unassessed)
  » Species Surirella effusa Hustedt in Schmidt et al., 1925 (uncertain, unassessed)
  » Species Surirella eiowana Ehrenberg, 1856 (uncertain, unassessed)
  » Species Surirella elgeri Hustedt in Schmidt et al., 1925 (uncertain, unassessed)
  » Species Surirella elliptica Terry ex Tempere & Peragallo, 1908 (uncertain, unassessed)
  » Species Surirella elliptica Ehrenberg, 1848 (uncertain, unassessed)
  » Species Surirella elongata Brebisson ex Peragallo & Peragallo, 1899 (uncertain, unassessed)
  » Species Surirella elongata Lemmermann, 1907 (uncertain, unassessed)
  » Species Surirella entomon Ehrenberg, 1849 (uncertain, unassessed)
  » Species Surirella esamangensis Foged, 1966 (uncertain, unassessed)
  » Species Surirella eucampyla Ehrenberg, 1870 (uncertain, unassessed)
  » Species Surirella eugylpta Ehrenberg, 1843 (uncertain, unassessed)
  » Species Surirella eximia Greville, 1857 (uncertain, unassessed)
  » Species Surirella eximia Ehrenberg, 1856 (uncertain, unassessed)
  » Species Surirella facilis Mann, 1925 (uncertain, unassessed)
  » Species Surirella falklandiae Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella fasciculata Otto Müller, 1903 (uncertain, unassessed)
  » Species Surirella fastuans Jurilj, 1957 (uncertain, unassessed)
  » Species Surirella fausta Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Surirella febigerii F.W.Lewis, 1861 (uncertain, unassessed)
  » Species Surirella festetichii Pantocsek, 1902 (uncertain, unassessed)
  » Species Surirella feuerborni Hustedt, 1935 (uncertain, unassessed)
  » Species Surirella filholii Petit, 1877 (uncertain, unassessed)
  » Species Surirella fimbriata Hustedt, 1942 (uncertain, unassessed)
  » Species Surirella fluminensis Grunow, 1862 (uncertain, unassessed)
  » Species Surirella fluviicygnorum J.John, 1983 (uncertain, unassessed)
  » Species Surirella folialifera A.Mann (uncertain, unassessed)
    » Forma Surirella folialifera f. folialifera Mann, 1925 (uncertain, unassessed)
    » Forma Surirella folialifera f. murmanica Korotkevich, 1957 (uncertain, unassessed)
  » Species Surirella foliata Mann, 1925 (uncertain, unassessed)
  » Species Surirella foliclifera (uncertain, unassessed)
    » Forma Surirella foliclifera f. murmanica O. Korotkevich, 1959 (uncertain, unassessed)
  » Species Surirella folium Ralfs in Pritchard, 1861 (uncertain, unassessed)
  » Species Surirella fonticola Hustedt, 1938 (uncertain, unassessed)
  » Species Surirella formosa Cleve, 1881 (uncertain, unassessed)
  » Species Surirella fortii Frenguelli, 1926 (uncertain, unassessed)
  » Species Surirella fortunata Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Surirella fossilis Cleve-Euler, 1915 (uncertain, unassessed)
  » Species Surirella freeseana Foged, 1981 (uncertain, unassessed)
  » Species Surirella frickei Hustedt in Schmidt et al., 1912 (uncertain, unassessed)
  » Species Surirella fuellebornii O.Müller (uncertain, unassessed)
    » Variety Surirella fuellebornii var. maxima (Otto Müller) Hustedt, 1911 represented as Surirella constricta var. maxima Otto Müller, 1903
    » Forma Surirella fuellebornii f. constricta Otto Müller, 1903 (uncertain, unassessed)
    » Forma Surirella fuellebornii f. fuellebornii Otto Müller, 1903 (uncertain, unassessed)
    » Forma Surirella fuellebornii f. genuina Otto Müller, 1903 (uncertain, unassessed)
      » Subforma Surirella fuellebornii f. genuina recta Hustedt, 1911 (uncertain, unassessed)
    » Forma Surirella fuellebornii f. maxima Hustedt, 1911 (uncertain, unassessed)
    » Forma Surirella fuellebornii f. subconstricta Otto Müller, 1903 (uncertain, unassessed)
    » Variety Surirella fuellebornii var. baicalensis Skvortzow & Meyer, 1928 (uncertain, unassessed)
    » Variety Surirella fuellebornii var. elliptica Otto Müller, 1903 (uncertain, unassessed)
    » Variety Surirella fuellebornii var. punctata Skvortzow & Meyer, 1928 (uncertain, unassessed)
    » Variety Surirella fuellebornii var. worthingtoni Bachmann, 1933 (uncertain, unassessed)
  » Species Surirella fukiensis Skvortzow, 1929 (uncertain, unassessed)
  » Species Surirella füllerborni (uncertain, unassessed)
    » Variety Surirella füllerborni var. tumida Hustedt in A. Schmidt, 1922 (uncertain, unassessed)
  » Species Surirella fusca Deby Collection (uncertain, unassessed)
  » Species Surirella fusiformis Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Surirella gallapagensis Hustedt in Schmidt et al., 1925 (uncertain, unassessed)
  » Species Surirella gasconica Swirenko, 1925 (uncertain, unassessed)
  » Species Surirella gemmoides Østrup, 1897 (uncertain, unassessed)
  » Species Surirella geroltii Ehrenberg, 1870 (uncertain, unassessed)
  » Species Surirella gessneri Hustedt, 1956 (uncertain, unassessed)
  » Species Surirella gieskesii Cholnoky, 1963 (uncertain, unassessed)
  » Species Surirella godefroyana Witt, 1873 (uncertain, unassessed)
  » Species Surirella gotohiana Gerd Moser (uncertain, unassessed)
  » Species Surirella gracilis Schumann, 1862 (uncertain, unassessed)
  » Species Surirella gracilis O'Meara, 1867 (uncertain, unassessed)
    » Forma Surirella gracilis f. gracilis (W. Smith) Grunow, 1862 represented as Tryblionella gracilis W.Smith, 1853
    » Variety Surirella gracilis var. aspii Antonelli, 1908 (uncertain, unassessed)
    » Variety Surirella gracilis var. balatonis Istvanffi, 1897 (uncertain, unassessed)
    » Variety Surirella gracilis var. balatonis Istvanffi, 1898 (uncertain, unassessed)
    » Variety Surirella gracilis var. gigantea Tempère & Peragallo, 1909 (uncertain, unassessed)
    » Variety Surirella gracilis var. gracilis sensu Istvanffi, 1898 (uncertain, unassessed)
  » Species Surirella gracillima Mayer, 1919 (uncertain, unassessed)
  » Species Surirella gracillima Grunow in Cleve, 1881 (uncertain, unassessed)
  » Species Surirella gradifera Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
  » Species Surirella grandiuscula Castracane, 1886 (uncertain, unassessed)
  » Species Surirella gravei Seczkina in Jousé & Seczkina, 1960 (uncertain, unassessed)
  » Species Surirella gravis Mann, 1925 (uncertain, unassessed)
  » Species Surirella grossestriata Hustedt, 1965 (uncertain, unassessed)
  » Species Surirella gruendleri C.Janisch, 1875 (uncertain, unassessed)
  » Species Surirella guatimalensis Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella guinardii H. Peragallo, 1888 (uncertain, unassessed)
  » Species Surirella guyanensis M. Peragallo in Tempère & Peragallo, 1909 (uncertain, unassessed)
  » Species Surirella hallandica Cleve-Euler, 1952 (uncertain, unassessed)
  » Species Surirella halteriformis Hustedt, 1942 (uncertain, unassessed)
  » Species Surirella hannai Kociolek & Reviers, 1996 (uncertain, unassessed)
  » Species Surirella hastata Schmidt in Schmidt et al., 1875 (uncertain, unassessed)
  » Species Surirella heideni Hustedt in Schmidt et al., 1924 (uncertain, unassessed)
  » Species Surirella heimanni Plutenko, 1871 (uncertain, unassessed)
  » Species Surirella helissella Jurilj, 1954 (uncertain, unassessed)
  » Species Surirella hennedyana (uncertain, unassessed)
    » Variety Surirella hennedyana var. undulata (Smith) Schwarz, 1875 (uncertain, unassessed)
  » Species Surirella heterocyma Naegeli in Kützing, 1849 (uncertain, unassessed)
  » Species Surirella heymannii Plutenko, 1872 (uncertain, unassessed)
  » Species Surirella hians Hustedt in Schmidt et al., 1927 (uncertain, unassessed)
  » Species Surirella hinganica Skvortzov, 1976 (uncertain, unassessed)
  » Species Surirella hispida R.Ross & Abdin, 1949 (uncertain, unassessed)
  » Species Surirella hochstetteri Ehrenberg, 1870 (uncertain, unassessed)
  » Species Surirella hoefleri Hustedt, 1959 (uncertain, unassessed)
  » Species Surirella hohenackeri Rabenhorst, 1859 (uncertain, unassessed)
  » Species Surirella holmquistii Foged, 1971 (uncertain, unassessed)
  » Species Surirella holosticha Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella holsatiae (Hensen) (uncertain, unassessed)
  » Species Surirella horrida F.Hustedt (uncertain, unassessed)
    » Forma Surirella horrida f. constricta Hustedt, 1942 (uncertain, unassessed)
    » Forma Surirella horrida f. horrida Hustedt, 1942 (uncertain, unassessed)
    » Forma Surirella horrida f. minor Gandhi, 1959 (uncertain, unassessed)
  » Species Surirella huberi Hustedt in Huber-Pestalozzi, 1936 (uncertain, unassessed)
  » Species Surirella hustedtiana Mayer, 1913 (uncertain, unassessed)
  » Species Surirella hustedtii Skabichevskii, 1981 (uncertain, unassessed)
  » Species Surirella hustedtii Pantocsek, 1908 (uncertain, unassessed)
  » Species Surirella hyadesi Petit, 1888 (uncertain, unassessed)
  » Species Surirella hyalina Plutenko, 1871 (uncertain, unassessed)
  » Species Surirella hyyppaei Molder, 1939 (uncertain, unassessed)
  » Species Surirella iconella Jurilj, 1954 (uncertain, unassessed)
  » Species Surirella icthyocephala Rabenhorst, 1853 (uncertain, unassessed)
  » Species Surirella ignota Cholnoky, 1960 (uncertain, unassessed)
  » Species Surirella imbuta Jurilj, 1948 (uncertain, unassessed)
  » Species Surirella imitans Mann, 1925 (uncertain, unassessed)
  » Species Surirella imperfecta Hustedt in Schmidt et al., 1925 (uncertain, unassessed)
  » Species Surirella incerta Hustedt in Schmidt et al., 1927 (uncertain, unassessed)
  » Species Surirella incurvata Schmidt in Schmidt et al., 1897 (uncertain, unassessed)
  » Species Surirella ineaquisculpta Rattray, 1887 (1888) (uncertain, unassessed)
  » Species Surirella insectum Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella insignis Østrup, 1910 (uncertain, unassessed)
  » Species Surirella insularum Ehrenberg, 1854 (uncertain, unassessed)
  » Species Surirella intercedens Grunow (uncertain, unassessed)
  » Species Surirella intermedia Cleve-Euler, 1952 (uncertain, unassessed)
  » Species Surirella intermedia Rabenhorst, 1857 (uncertain, unassessed)
    » Forma Surirella intermedia f. intermedia Lewis, 1864 (uncertain, unassessed)
    » Forma Surirella intermedia f. minor Boyer, 1916 (uncertain, unassessed)
  » Species Surirella intermedia Rabenhorst, 1857 (uncertain, unassessed)
  » Species Surirella interrupta Leuduger-Fortmorel, 1879 (uncertain, unassessed)
  » Species Surirella investiens Hustedt, 1965 (uncertain, unassessed)
  » Species Surirella invicta G.Krasske (uncertain, unassessed)
  » Species Surirella iowensis Lowe, 1972 (uncertain, unassessed)
  » Species Surirella iowensis Stoermer, 1963 (uncertain, unassessed)
  » Species Surirella japonica Ehrenberg, 1872 (uncertain, unassessed)
  » Species Surirella japonica Castracane, 1886 (