DiatomBase
Between brackets is the number of accepted extant species
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Shows the number of accepted extant species within the taxon
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- Bacillariophyceae (5 957)
- Subclass Bacillariophyceae incertae sedis (189)
- Subclass Bacillariophycidae (4 408)
- Superorder Bacillariophycanae (4 083)
- Order Achnanthales (438)
- Order Bacillariales (357)
- Order Cymbellales (792)
- Order Dictyoneidales
- Order Lyrellales (15)
- Order Mastogloiales (88)
- Order Naviculales (2 077)
- Suborder Diploneidineae
- Suborder Naviculineae (12)
- Suborder Neidiineae (330)
- Suborder Phaeodactylineae
- Suborder Sellaphorineae
- Family Amphipleuraceae Grunow, 1862 (162)
- Family Diploneidaceae D. G. Mann, 1990 (116)
- Family Metascolioneidaceae S.Blanco & C.E.Wetzel, 2016 (2)
- Family Naviculaceae Kützing, 1844 (866)
- Genus Adlafia G. Moser, H. Lange-Bertalot & D. Metzeltin, 1998 (31)
- Genus Altana M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012 (3)
- Genus Alveovallum H. Lange-Bertalot & K. Krammer in K. Krammer, 2000
- Genus Amicula A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 2000
- Genus Astartiella A. Witkowski, H. Lange-Bertalot & D. Metzeltin in G. Moser et al., 1998 (1)
- Genus Austariella A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 2000
- Genus Baikalia L.N.Bukhtiyarova & G.V.Pomazkina, 2013 (7)
- Genus Berkella R. Ross & P.A. Sims, 1978
- Genus Buryatia M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012 (9)
- Genus Caloneis P.T. Cleve, 1894 (61)
- Genus Candollella Gaillon, 1833
- Genus Capartogramma H. Kufferath, 1956 (1)
- Genus Chamaepinnularia H. Lange-Bertalot & K. Krammer in H. Lange-Bertalot & D. Metzeltin, 1996 (11)
- Genus Cocconema C.G. Ehrenberg, 1832 (3)
- Genus Craspedostauros E.J. Cox, 1999 (4)
- Genus Cymatoneis P.T. Cleve, 1894
- Genus Decussata (Patrick) H. Lange-Bertalot, 2000 accepted as Decussiphycus Guiry & Gandhi, 2019
- Genus Diademoides K.-D. Kemp & T.B.B. Paddock, 1990
- Genus Envekadea Van de Vijver, Gligora, Hinz, Kralj & Cocquyt in Gligora et al., 2009 (3)
- Genus Eolimna H. Lange-Bertalot & W. Schiller in W. Schiller & H. Lange-Bertalot, 1997 (6)
- Genus Fistulifera H. Lange-Bertalot, 1997 (1)
- Genus Fontina Beauger, C.E. Wetzel & Ector in Beauger et al., 2022 (1)
- Genus Geissleria H. Lange-Bertalot & D. Metzeltin, 1996 (43)
- Genus Genkalia M.S.Kulikovskiy, H.Lange-Bertalot & D.Metzeltin, 2012 (14)
- Genus Germainiella H. Lange-Bertalot & D. Metzeltin in Metzeltin, Lange-Bertalot & García-Rodríguez, 2005 (9)
- Genus Haslea R. Simonsen, 1974 (21)
- Genus Hippodonta H. Lange-Bertalot, A. Witkowski & D. Metzeltin, 1996 (45)
- Genus Homoeocladia C.A. Agardh, 1827 accepted as Nitzschia A.H. Hassall, 1845 (2)
- Genus Kobayasia H. Lange-Bertalot, 1996
- Genus Kobayasiella H. Lange-Bertalot, 1999 (5)
- Genus Krasskella R. Ross & P.A. Sims, 1978
- Genus Krsticiella Levkov in Levkov et al., 2007 (6)
- Genus Kulikovskiyia S.Roy, Kociolek, Liu & B.Karthick, 2019 (1)
- Genus Kurpiszia A. Witkowski, H. Lange-Bertalot & D. Metzeltin, 2000
- Genus Lacunicula Lange-Bertalot, H., Cavacini, P., Tagliaventi, N. & Alfinito, S., 2003
- Genus Lecohuia H. Lange-Bertalot in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 (2)
- Genus Mastoneis P.T. Cleve, 1894
- Genus Mayamaea H. Lange-Bertalot, 1997 (3)
- Genus Melonavicula T. Christian, 1886
- Genus Membraneis T.B.B. Paddock, 1988 (1)
- Genus Meuniera P.C. Silva in G.R. Hasle & E.E. Syvertsen, 1996
- Genus Michelcostea Van de Vijver, Lange-Bertalot, C.E.Wetzel & Ector, 2017 (1)
- Genus Microcostatus J.R. Johansen & J.C. Sray, 1998 (8)
- Genus Microfissurata Lange-Bertalot, Cantonati & Van de Vijver, 2009 (2)
- Genus Muelleria (J. Frenguelli) J. Frenguelli, 1945 (40)
- Genus Navicula J.B.M. Bory de Saint-Vincent, 1822 (358)
- Genus Naviculadicta H. Lange-Bertalot in H. Lange Bertalot & G. Moser, 1994 (3)
- Genus Naviculopsis V.A. Nikolaev, 1966 accepted as Diatomella R.K. Greville, 1855
- Genus Navigeia L.N.Bukhtiyarova, 2013 (10)
- Genus Navigiolum Lange-Bertalot, H., Cavacini, P., Tagliaventi, N. & Alfinito, S., 2003 (12)
- Genus Neidiopsis H. Lange-Bertalot & D. Metzeltin in H. Lange-Bertalot & S.I. Genkal, 1999 (2)
- Genus Nupela W. Vyverman & P. Compère, 1991 (80)
- Genus Pinnuavis H. Okuno, 1975 accepted as Pinnunavis H. Okuno, 1975
- Genus Pinnunavis H. Okuno, 1975 (2)
- Genus Placogeia L.N.Bukhtiyarova, 2013 (13)
- Genus Prestauroneis K. Bruder & L.K. Medlin, 2008 (7)
- Genus Pseudogomphonema L.K. Medlin in L.K. Medlin & F.E. Round, 1986
- Genus Pseudonavicula G. Karsten, 1899
- Genus Pulchella K. Krammer, 2000 (4)
- Genus Pulchellophycus Edlund & M.J.Wynne, 2019 (8)
- Genus Raphidivergens Chin & Cheng, 1992
- Genus Rhoikoneis A. Grunow, 1863 (2)
- Genus Sabbea Van de Vijver, Bishop & Kopalová in Bishop et al., 2019 (1)
- Genus Scoliolyra C.P. Chen, Y.H. Gao, Z. Wang et J.W. Zhang in Zhang et al., 2020 (1)
- Genus Seminavis D.G. Mann in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (8)
- Genus Slavia L.N.Bukhtiyarova & G.V.Pomazkina, 2013 (4)
- Genus Stauroptera C.G. Ehrenberg, 1843 (1)
- Genus Trachyneis P.T. Cleve, 1894 (4)
- Species Trachyneis antarctica Heiden & Kolbe, 1928
- Species Trachyneis antillarum (Cleve & Grunow) Cleve
- Species Trachyneis aspera (Ehrenberg) Cleve, 1894
- Variety Trachyneis aspera var. amphora (Brun) Cleve, 1894 accepted as Navicula amphora Brun, 1891
- Variety Trachyneis aspera var. angusta (W.Smith) Cleve, 1894
- Variety Trachyneis aspera var. antarctica M. Peragallo, 1921
- Variety Trachyneis aspera var. aspera (Ehrenberg; Ehrenberg) Cleve, 1894 accepted as Navicula aspera Ehrenberg, 1840
- Variety Trachyneis aspera var. asymmetrica Qi, Lin & Zhang in Qi, Lin, Zhang & He, 1986
- Variety Trachyneis aspera var. atomus Hagelstein, 1939
- Variety Trachyneis aspera var. californica Cleve, 1894
- Variety Trachyneis aspera var. chinensis Skvortzow, 1932
- Variety Trachyneis aspera var. contermina (Schmidt) Cleve, 1894 accepted as Navicula contermina Schmidt in Schmidt et al., 1876
- Variety Trachyneis aspera var. debyi Grove Collection
- Variety Trachyneis aspera var. derasa Cleve, 1894
- Variety Trachyneis aspera var. elliptica Hendey, 1964
- Variety Trachyneis aspera var. genuina Cleve, 1894
- Variety Trachyneis aspera var. gianfranceschii Zanon, 1929
- Variety Trachyneis aspera var. javanicus (Hustedt in Schmidt et al.) F.W. Mills, 1935 accepted as Trachyneis javanicus (Hustedt in Schmidt et al.)
- Variety Trachyneis aspera var. magnipunctata Manguin, 1960
- Variety Trachyneis aspera var. minuta H. Peragallo & M. Peragallo, 1898
- Variety Trachyneis aspera var. neumeyeri (Janisch in Schmidt et al.) Cleve, 1894 accepted as Navicula neumayeri Janisch in Schmidt et al., 1876
- Variety Trachyneis aspera var. oblonga (J.W.Bailey) Cleve, 1894 accepted as Stauroptera oblonga J.W. Bailey, 1854
- Variety Trachyneis aspera var. orientalis Skvortzov, 1929
- Variety Trachyneis aspera var. parallela Woodhead & Tweed, 1960
- Variety Trachyneis aspera var. perobliqua Cleve, 1894
- Variety Trachyneis aspera var. producta Chin & Cheng, 1979
- Variety Trachyneis aspera var. pulchella (W.Smith) Cleve, 1894 accepted as Stauroneis pulchella W.Smith, 1853
- Variety Trachyneis aspera var. pulchella sensu Peragallo & Peragallo, 1897-1908
- Variety Trachyneis aspera var. residua (A.Schmidt) Cleve, 1894 accepted as Navicula residua Schmidt in Schmidt et al., 1876
- Variety Trachyneis aspera var. rhombica Cleve, 1894
- Variety Trachyneis aspera var. robusta (Petit) Cleve, 1894 accepted as Stauroneis robusta Petit, 1877
- Variety Trachyneis aspera var. sabangi Meister, 1932
- Variety Trachyneis aspera var. schmidtiana (Grunow in Schmidt et al.) Cleve, 1894 accepted as Navicula schmidtiana Grunow in Schmidt et al., 1876
- Variety Trachyneis aspera var. unilatera Chin & Cheng, 1979
- Variety Trachyneis aspera var. vulgaris Cleve, 1894
- Forma Trachyneis aspera f. intermedia (Grunow in Schmidt et al.) Cleve, 1894 accepted as Navicula aspera var. interolmedia Grunow in Schmidt et al., 1876
- Forma Trachyneis aspera f. robusta Østrup, 1910
- Species Trachyneis australis (Petit) Woodhead & Tweed, 1958
- Species Trachyneis barbadensis Boyer, 1922
- Species Trachyneis brunii (Cleve ex Brun) Cleve, 1894
- Species Trachyneis clepsydra (Donkin) Cleve, 1894
- Species Trachyneis debyi (Leuduger-Fortmorel) Cleve, 1894 accepted as Alloioneis debyi Leuduger-Fortmorel, 1892
- Species Trachyneis formosa Meister, 1932
- Species Trachyneis hungarica (Pantocsek) Frenguelli, 1949 accepted as Navicula aspera var. hungarica Pantocsek, 1889
- Species Trachyneis intermedium (Grunow) Bailey, 1924 accepted as Navicula aspera var. interolmedia Grunow in Schmidt et al., 1876
- Species Trachyneis javanicus (Hustedt in Schmidt et al.)
- Species Trachyneis johnsoniana (Greville) Cleve, 1894 accepted as Navicula johnsoniana Greville, 1863
- Species Trachyneis minor Chin & Cheng, 1979
- Species Trachyneis oblonga J.W.Bailey accepted as Trachyneis aspera var. oblonga (J.W.Bailey) Cleve, 1894
- Species Trachyneis olivaeformis Chin & Cheng, 1979
- Species Trachyneis pulchella (Small) Bailey, 1924
- Species Trachyneis robusta (Petit) H. Peragallo & M. Peragallo, 1898 accepted as Stauroneis robusta Petit, 1877
- Species Trachyneis rostratus (Hustedt in Schmidt et al.)
- Species Trachyneis schmidtiana (Grunow in Schmidt et al.) H. Peragallo & M. Peragallo, 1898 accepted as Navicula schmidtiana Grunow in Schmidt et al., 1876
- Species Trachyneis schmidtii
- Species Trachyneis sieboldii (Pantocsek) Tsumura, 1967 accepted as Navicula sieboldii Pantocsek, 1892
- Species Trachyneis speibonae Giffen, 1970
- Species Trachyneis sumatrensis (Leuduger-Fortmorel) F.W. Mills, 1935 accepted as Navicula sumatrensis Leuduger-Fortmorel, 1892
- Species Trachyneis tumidula (Grunow) Cleve, 1894 accepted as Stauroneis tumidula Grunow, 1860
- Species Trachyneis velata A.Schmidt
- Species Trachyneis velatoides Ricard, 1975
- Species Trachyneis vulgaris (Cleve) Bailey, 1924
- Genus Veigaludwigia H. Lange-Bertalot & U. Rumich in D. Metzeltin & H. Lange-Bertalot, 2007 (1)
- Family Naviculales incertae sedis (7)
- Family Pinnulariaceae D.G. Mann, 1990 (254)
- Family Pleurosigmataceae Mereschkowsky, 1903 (98)
- Family Scolioneidaceae
- Family Scoliotropidaceae Mersechk. (6)
- Family Sellaphoraceae Mereschkowsky, 1902 (74)
- Family Stauroneidaceae D.G. Mann, 1990 (150)
- Order Rhopalodiales (37)
- Order Surirellales (174)
- Order Thalassiophysales (105)
- Superorder Bacillariophycidae incertae sedis (32)
- Superorder Eunotiophycanae (293)
- Subclass Coscinodiscophycidae (877)
- Subclass Fragilariophycidae (483)
- Order Centrales
