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Triceratiaceae (Schütt) Lemmermann, 1899

149049  (urn:lsid:marinespecies.org:taxname:149049)

accepted
Family
Genus Amphitetras C.G. Ehrenberg, 1840
  » Species Amphitetras antediluviana Ehrenberg, 1840
    » Variety Amphitetras antediluviana var. temperei (Frenguelli) Sar & Sala, 2009 †
    » Variety Amphitetras antediluviana var. antediluviana Ehrenberg, 1840 (uncertain > unassessed)
    » Variety Amphitetras antediluviana var. antediluviana sensu Peragallo & Peragallo, 1901 (uncertain > unassessed)
    » Variety Amphitetras antediluviana var. beta W. Smith, 1855 (uncertain > unassessed)
    » Variety Amphitetras antediluviana var. cruciformis Tempère & Peragallo, 1911 (uncertain > unassessed)
    » Variety Amphitetras antediluviana var. gamma H. Peragallo in Pelletan (uncertain > unassessed)
    » Variety Amphitetras antediluviana var. minor Peragallo & Peragallo, 1902 (uncertain > unassessed)
    » Variety Amphitetras antediluviana var. pentagonalis H. Peragallo in Pelletan, 1889 (uncertain > unassessed)
  » Species Amphitetras grevillei De Toni
    » Variety Amphitetras grevillei var. grevillei De Toni, 1894 (uncertain > unassessed)
    » Variety Amphitetras grevillei var. parvula ‘Greville' Mills, 1935 (uncertain > unassessed)
  » Species Amphitetras ornata Shadbolt
    » Variety Amphitetras ornata var. hirsuta Castracane, 1886 (uncertain > unassessed)
    » Variety Amphitetras ornata var. ornata Shadbolt, 1854 (uncertain > unassessed)
  » Species Amphitetras quadrinotatum (Ehrenberg, Schmidt) Prema, P. & T. V. Desikachary, 2012 †
  » Species Amphitetras acutangula (Greville) De Toni, 1894 accepted as Triceratium acutangulum var. acutangulum Greville, 1864 (uncertain > unassessed)
  » Species Amphitetras adriatica Kützing, 1845 (uncertain > unassessed)
  » Species Amphitetras alternans H.L. Smith in Christian, 1887 (uncertain > unassessed)
  » Species Amphitetras anderssonii (Cleve) De Toni, 1894 accepted as Triceratium anderssonii Cleve, 1881 (uncertain > unassessed)
  » Species Amphitetras antediluviana sensu? Brightwell, 1859 (uncertain > unassessed)
  » Species Amphitetras arisata Shadbolt, 1854 (uncertain > unassessed)
  » Species Amphitetras atlantica (Castracane) De Toni, 1894 accepted as Triceratium atlanticum Castracane, 1886 (uncertain > unassessed)
  » Species Amphitetras balearica (Cleve & Grunow in Cleve) De Toni, 1894 accepted as Triceratium balearicum f. balearicum Cleve & Grunow in Cleve, 1881 (uncertain > unassessed)
    » Variety Amphitetras balearica var. leudugeri De Wildeman, 1897 (uncertain > unassessed)
  » Species Amphitetras bicornis (Cleve) De Toni, 1894 † accepted as Pseudictyota bicorne (Cleve) P.A. Sims & D. M. Williams in Sims et al., 2018 † (uncertain > unassessed)
  » Species Amphitetras blandita (Greville) De Toni, 1894 accepted as Triceratium blanditum Greville, 1861 (uncertain > unassessed)
  » Species Amphitetras campechiana (Grunow) De Toni, 1894 accepted as Triceratium campechianum Grunow in Cleve, 1878 (uncertain > unassessed)
  » Species Amphitetras canalifera (Brun) De Toni, 1894 accepted as Triceratium canalifer Brun, 1891 (uncertain > unassessed)
  » Species Amphitetras coerulescens (Pantocsek) De Toni, 1894 accepted as Triceratium coerulescens Pantocsek, 1892 (uncertain > unassessed)
  » Species Amphitetras conciliata (Pantocsek) De Toni, 1894 accepted as Triceratium conciliatum var. conciliatum Pantocsek, 1889 (uncertain > unassessed)
  » Species Amphitetras cornuta (Greville) De Toni, 1894 accepted as Triceratium cornutum R.K.Greville † (uncertain > unassessed)
  » Species Amphitetras cruciata Janisch & Rabenhorst, 1863 (uncertain > unassessed)
  » Species Amphitetras crucifera Kitton in Ralfs in Pritchard, 1861 (uncertain > unassessed)
  » Species Amphitetras crux Brightwell, 1859 (uncertain > unassessed)
  » Species Amphitetras cuspidata L.W. Bailey, 1862 (uncertain > unassessed)
  » Species Amphitetras dutertrei (Pantocsek & Tempère) De Toni, 1894 accepted as Triceratium dutertrei Pantocsek & Tempère in Pantocsek, 1889 † (uncertain > unassessed)
  » Species Amphitetras elegans Greville, 1866 (uncertain > unassessed)
  » Species Amphitetras excavata W. Smith, 1855 (uncertain > unassessed)
  » Species Amphitetras favosa Harvey & J.W. Bailey, 1853 (uncertain > unassessed)
  » Species Amphitetras gemmata Ehrenberg, 1858 (uncertain > unassessed)
  » Species Amphitetras godeffroyi ‘Grunow' Mills, 1935 (uncertain > unassessed)
  » Species Amphitetras graeffeiana Witt, 1873 (uncertain > unassessed)
  » Species Amphitetras inconspicua (Greville) De Toni, 1894 accepted as Triceratium inconspicuum Greville, 1861 † (uncertain > unassessed)
  » Species Amphitetras ingloria (Greville) De Toni, 1894 accepted as Triceratium inglorium Greville, 1865 (uncertain > unassessed)
  » Species Amphitetras intermedia (Grove & Sturt) De Toni, 1894 accepted as Triceratium intermedium Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Amphitetras kusnetzkiana (Pantocsek) De Toni, 1894 accepted as Triceratium kusnetzkianum Pantocsek, 1889 (uncertain > unassessed)
  » Species Amphitetras lamprodictya Ehrenberg, 1860 (uncertain > unassessed)
  » Species Amphitetras lanceolata (Pantocsek) De Toni, 1894 accepted as Triceratium lanceolatum Pantocsek, 1889 (uncertain > unassessed)
  » Species Amphitetras lata (Greville) De Toni, 1894 accepted as Triceratium latum var. latum Greville, 1865 (uncertain > unassessed)
  » Species Amphitetras leptotis Ehrenberg, 1862 (uncertain > unassessed)
  » Species Amphitetras mamillaris Ehrenberg, 1872 (uncertain > unassessed)
  » Species Amphitetras margaritifera (Cleve) De Toni, 1894 accepted as Triceratium margaritiferum Cleve, 1881 (uncertain > unassessed)
  » Species Amphitetras minuta Greville, 1861 (uncertain > unassessed)
  » Species Amphitetras mortimerii ‘Habirshaw', 1877 (uncertain > unassessed)
  » Species Amphitetras nobilis Greville, 1865 (uncertain > unassessed)
  » Species Amphitetras oculata (Greville) De Toni, 1894 accepted as Triceratium oculatum f. oculatum Greville, 1864 (uncertain > unassessed)
  » Species Amphitetras parallela Ehrenberg, 1840 (uncertain > unassessed)
  » Species Amphitetras parvula Greville, 1863 (uncertain > unassessed)
  » Species Amphitetras parvula Janisch & Rabenhorst, 1863 (uncertain > unassessed)
  » Species Amphitetras perryana (Truan y Luard & Witt) De Toni, 1894 accepted as Triceratium perryanum Truan y Luard & Witt, 1888 (uncertain > unassessed)
  » Species Amphitetras pethoei (Pantocsek) De Toni, 1894 accepted as Triceratium pethoei Pantocsek, 1889 (uncertain > unassessed)
  » Species Amphitetras producta Greville, 1862 (uncertain > unassessed)
  » Species Amphitetras pulvillus (Castracane) De Toni, 1894 accepted as Triceratium pulvillus Castracane, 1886 (uncertain > unassessed)
  » Species Amphitetras punctata Greville, 1862 (uncertain > unassessed)
  » Species Amphitetras quadrangularis (Greville) De Toni, 1894 accepted as Triceratium quadrangulare Greville, 1865 (uncertain > unassessed)
  » Species Amphitetras quadricornis (Greville) De Toni, 1894 accepted as Triceratium quadricorne Greville, 1865 (uncertain > unassessed)
  » Species Amphitetras radiata Greville, 1862 (uncertain > unassessed)
  » Species Amphitetras radiatopunctata Missuna, 1914 (uncertain > unassessed)
  » Species Amphitetras rectangularis (Grove & Sturt) De Toni, 1894 accepted as Triceratium rectangulare Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Amphitetras sarniensis ‘Greville' Chase (uncertain > unassessed)
  » Species Amphitetras sturtii (Pantocsek) De Toni, 1894 accepted as Triceratium sturtii Pantocsek, 1886 (uncertain > unassessed)
  » Species Amphitetras subrotundata Janisch in Schmidt et al., 1886 (uncertain > unassessed)
  » Species Amphitetras tessellata Shadbolt, 1854 (uncertain > unassessed)
  » Species Amphitetras tetragona (Pantocsek) De Toni, 1894 accepted as Triceratium tetragonum Pantocsek, 1889 (uncertain > unassessed)
  » Species Amphitetras unguiculata (Greville) De Toni, 1894 accepted as Triceratium unguiculatum Greville, 1864 (uncertain > unassessed)
  » Species Amphitetras wilkesii Harvey & J.W. Bailey, 1854 (uncertain > unassessed)
  » Species Amphitetras zonatulata (Greville) De Toni, 1894 accepted as Triceratium zonatulatum f. zonulatum Greville, 1865 (uncertain > unassessed)
Genus Auliscus C.G. Ehrenberg, 1843
  » Species Auliscus albidus J.-J.Brun
    » Variety Auliscus albidus var. albidus Brun in Schmidt et al., 1892 (uncertain > unassessed)
    » Variety Auliscus albidus var. baccata Brun in Schmidt et al., 1892 (uncertain > unassessed)
  » Species Auliscus alienus S.L.VanLandingham
  » Species Auliscus ambiguus Greville
    » Variety Auliscus ambiguus var. ambiguus Greville, 1863 (uncertain > unassessed)
    » Variety Auliscus ambiguus var. major ‘Rattray' Mills, 1933 (uncertain > unassessed)
    » Variety Auliscus ambiguus var. multiclava Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  » Species Auliscus biddulphia F.Kitton
    » Variety Auliscus biddulphia var. biddulphia Kitton in Schmidt et al., 1881 (uncertain > unassessed)
    » Variety Auliscus biddulphia var. dentata Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus biddulphia var. prominens Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus decoratus J.Rattray
    » Variety Auliscus decoratus var. affinis Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus decoratus var. decoratus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus elaboratus J.Ralfs ex Greville
    » Forma Auliscus elaboratus f. minor Brun, 1896 (uncertain > unassessed)
    » Variety Auliscus elaboratus var. elaboratus Ralfs in Greville, 1863 (uncertain > unassessed)
    » Variety Auliscus elaboratus var. tetraspadix Brun, 1896 (uncertain > unassessed)
  » Species Auliscus elegans Greville
    » Variety Auliscus elegans var. californica (Grunow in Schmidt et al.) Rattray, 1888 accepted as Auliscus grunovii var. californica Grunow in Schmidt et al., 1886 (uncertain > unassessed)
    » Variety Auliscus elegans var. coloradica H. Peragallo in Tempère & Peragallo, 1909 (uncertain > unassessed)
    » Variety Auliscus elegans var. elegans Greville, 1863 (uncertain > unassessed)
    » Variety Auliscus elegans var. flammula (Tempère & Brun in Brun & Tempère) De Toni, 1894 accepted as Auliscus grunovii var. flammula Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed)
    » Variety Auliscus elegans var. grunovii (Schmidt in Schmidt et al.) Rattray, 1888 accepted as Auliscus grunovii var. grunovii Schmidt in Schmidt et al., 1875 (uncertain > unassessed)
    » Variety Auliscus elegans var. pantocseckii Forti, 1913 (uncertain > unassessed)
    » Variety Auliscus elegans var. subpunctata Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus hardmanianus Greville
    » Variety Auliscus hardmanianus var. bifurcata Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus hardmanianus var. futilis Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus hardmanianus var. hardmanianus Greville, 1866 (uncertain > unassessed)
    » Variety Auliscus hardmanianus var. haytiana Truan & Witt, 1888 (uncertain > unassessed)
    » Variety Auliscus hardmanianus var. labyrinthula Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus hardmanianus var. maculosus Long, Fuge & Smith, 1946 (uncertain > unassessed)
    » Variety Auliscus hardmanianus var. obscura Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus intermedius E.Grove & G.Sturt
    » Variety Auliscus intermedius var. intermedius Grove & Sturt in litt. ex Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus intermedius var. simplex Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus interruptus J.Rattray
    » Variety Auliscus interruptus var. interruptus Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus interruptus var. sparsa Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus johnsonianus Greville
    » Variety Auliscus johnsonianus var. craterifer Brun, 1896 (uncertain > unassessed)
    » Variety Auliscus johnsonianus var. eludens (Rattray) VanLandingham, 1967 accepted as Pseudauliscus johnsonianus var. eludens Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus johnsonianus var. johnsonianus Greville, 1863 (uncertain > unassessed)
  » Species Auliscus loczyi Pantocsek
    » Forma Auliscus loczyi f. loczyi Pantocsek, 1892 (uncertain > unassessed)
    » Forma Auliscus loczyi f. major Forti in Tempère & Peragallo, 1909 (uncertain > unassessed)
    » Forma Auliscus loczyi f. major Forti, 1913 (uncertain > unassessed)
  » Species Auliscus moronensis Greville
    » Variety Auliscus moronensis var. moronensis Greville, 1864 (uncertain > unassessed)
    » Variety Auliscus moronensis var. pruinosus E.Weissflog (uncertain > unassessed)
    » Variety Auliscus moronensis var. quadriocellata Tempère & Peragallo, 1912 (uncertain > unassessed)
  » Species Auliscus normanianus Greville
    » Variety Auliscus normanianus var. bioculata Tempère & Peragallo, 1915 (uncertain > unassessed)
    » Variety Auliscus normanianus var. normanianus Greville, 1864 (uncertain > unassessed)
  » Species Auliscus oamaruensis Grove & Sturt, 1887
    » Variety Auliscus oamaruensis var. madagascarensis Tempère in Bergon et al., 1890 (uncertain > unassessed)
    » Variety Auliscus oamaruensis var. oamaruensis Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Auliscus peruvianus (F.Kitton) Greville
  » Species Auliscus pruinosus Bailey
    » Variety Auliscus pruinosus var. carpentariae Grunow in Schmidt et al., 1875 (uncertain > unassessed)
    » Variety Auliscus pruinosus var. confluens Grunow in Cleve & Möller, 1879 (uncertain > unassessed)
    » Variety Auliscus pruinosus var. lorcana Azpeitia Moros, 1911 (uncertain > unassessed)
    » Variety Auliscus pruinosus var. nankoorensis Desikachary & Ranjitha Devi in Desikachary, 1986 (uncertain > unassessed)
    » Variety Auliscus pruinosus var. pruinosus J.W. Bailey, 1854 (uncertain > unassessed)
    » Variety Auliscus pruinosus var. robusta Grunow in Schmidt et al., 1890 (uncertain > unassessed)
    » Variety Auliscus pruinosus var. sansibarica Grunow in Schmidt et al., 1875 (uncertain > unassessed)
    » Variety Auliscus pruinosus var. subreticulata Grunow in Schmidt et al., 1886 (uncertain > unassessed)
    » Variety Auliscus pruinosus var. zanzibarica Grunow in Schmidt et al., 1875 (uncertain > unassessed)
  » Species Auliscus pulvinatus Cleve
    » Forma Auliscus pulvinatus f. apiculata Pantocsek, 1886 (uncertain > unassessed)
    » Forma Auliscus pulvinatus f. inermis Pantocsek, 1886 (uncertain > unassessed)
      » Subforma Auliscus pulvinatus f. inermis triocellata Pantocsek, 1886 (uncertain > unassessed)
    » Forma Auliscus pulvinatus f. pulvinatus Cleve, 1885 (uncertain > unassessed)
    » Variety Auliscus pulvinatus var. le-tourneuri Brun in Brun et al., 1891 (uncertain > unassessed)
  » Species Auliscus punctatus Bailey
    » Forma Auliscus punctatus f. monocula Hardman ex Rattray, 1888 (uncertain > unassessed)
    » Forma Auliscus punctatus f. striolata Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus punctatus var. abrupta Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus punctatus var. carpentariae (Grunow in Schmidt et al.) Rattray, 1888 accepted as Auliscus pruinosus var. carpentariae Grunow in Schmidt et al., 1875 (uncertain > unassessed)
    » Variety Auliscus punctatus var. circumducta Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus punctatus var. punctatus J.W. Bailey, 1854 (uncertain > unassessed)
    » Variety Auliscus punctatus var. robusta Truan & Witt, 1888 (uncertain > unassessed)
  » Species Auliscus reticulatus Greville
  » Species Auliscus rhipis A.W.F.Schmidt
    » Variety Auliscus rhipis var. rhipis Schmidt in Schmidt et al., 1875 (uncertain > unassessed)
    » Variety Auliscus rhipis var. triocellata Tempère & Peragallo, 1913 (uncertain > unassessed)
  » Species Auliscus splendidus J.Rattray
    » Variety Auliscus splendidus var. minor Tempère & Peragallo, 1908 (uncertain > unassessed)
    » Variety Auliscus splendidus var. splendidus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus stoeckhardtii va.subpunctata J.Rattray
    » Variety Auliscus stoeckhardtii var. aspera Grove in Schmidt et al., 1896 (uncertain > unassessed)
    » Variety Auliscus stoeckhardtii var. flavescens Pantocsek, 1892 (uncertain > unassessed)
    » Variety Auliscus stoeckhardtii var. grandis Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus stoeckhardtii var. inconspicua Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus stoeckhardtii var. stoeckhardtii Janisch, 1861 (uncertain > unassessed)
    » Variety Auliscus stoeckhardtii var. subpunctata Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus subreticulatus (Grunow) J.Rattray
  » Species Auliscus trigemmis A.W.F.Schmidt
    » Variety Auliscus trigemmis var. robusta Brun in Brun & Tempère, 1889 (uncertain > unassessed)
    » Variety Auliscus trigemmis var. trigemmis Schmidt in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Auliscus caelatus Bailey, 1854 accepted as Auliscus sculptus (W.Smith) Brightwell, 1860 (synonym)
    » Forma Auliscus caelatus f. caelatus J.W. Bailey, 1854 (uncertain > unassessed)
    » Forma Auliscus caelatus f. major Schmidt in Schmidt et al., 1881 (uncertain > unassessed)
    » Forma Auliscus caelatus f. quadriocellata Grunow in Rattray, 1888 (uncertain > unassessed)
    » Forma Auliscus caelatus f. triocellata Pantocsek, 1886 (uncertain > unassessed)
    » Forma Auliscus caelatus f. trypodiscus (Brockmann) Cleve-Euler, 1951 accepted as Auliscus sculptus var. tripodiscus Brockmann, 1914 (uncertain > unassessed)
    » Variety Auliscus caelatus var. auklandica Grunow in A. Schmidt et al., 1881 (uncertain > unassessed)
    » Variety Auliscus caelatus var. constricta J.Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus caelatus var. delicatula Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus caelatus var. dissolutus Halden ex Cleve-Euler, 1951 (uncertain > unassessed)
    » Variety Auliscus caelatus var. gigas (Ehrenberg) F.W. Mills, 1933 (uncertain > unassessed)
    » Variety Auliscus caelatus var. gigas (Ehrenberg) Walker & Chase, 1886 accepted as Auliscus gigas Ehrenberg, 1854 (uncertain > unassessed)
    » Variety Auliscus caelatus var. gigas Peragallo & Peragallo, 1902 (uncertain > unassessed)
    » Variety Auliscus caelatus var. gigas sensu Walker & Chase, 1886 (uncertain > unassessed)
    » Variety Auliscus caelatus var. impressa Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus caelatus var. latecostata Schmidt in Schmidt et al., 1875 (uncertain > unassessed)
    » Variety Auliscus caelatus var. latecostata H. Peragallo in H. Peragallo & M. Peragallo, 1911 (uncertain > unassessed)
    » Variety Auliscus caelatus var. major ‘A. Schmidt' De Toni, 1894 (uncertain > unassessed)
    » Variety Auliscus caelatus var. major Rattray (uncertain > unassessed)
    » Variety Auliscus caelatus var. marmoratus Jurilj, 1957 (uncertain > unassessed)
    » Variety Auliscus caelatus var. mergens Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus caelatus var. mutabilis Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus caelatus var. nankoorensis Desikachary & Ranjitha Devi in Desikachary, 1986 (uncertain > unassessed)
    » Variety Auliscus caelatus var. nova H. Peragallo in H. Peragallo & M. Peragallo, 1911 (uncertain > unassessed)
    » Variety Auliscus caelatus var. permagna ‘Witt in Schmidt et al.' according to Mills, 1888 (uncertain > unassessed)
    » Variety Auliscus caelatus var. permagna ‘Witt in Schmidt et al.' according to Mills, 1933 (uncertain > unassessed)
    » Variety Auliscus caelatus var. picta Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus caelatus var. producta Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus caelatus var. protuberans Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus caelatus var. rhipis (Schmidt in Schmidt et al.) Peragallo & Peragallo, 1902 accepted as Auliscus rhipis var. rhipis Schmidt in Schmidt et al., 1875 (uncertain > unassessed)
    » Variety Auliscus caelatus var. strigillata Schmidt in Schmidt et al., 1875 (uncertain > unassessed)
    » Variety Auliscus caelatus var. tenuis Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus caelatus var. tripodiscus ‘Brockmann' Mills, 1933 (uncertain > unassessed)
    » Variety Auliscus caelatus var. typicus Cleve-Euler, 1951 (uncertain > unassessed)
  » Species Auliscus accedens Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus actinoptychoides Gleser in Gleser & Posnova, 1964 (uncertain > unassessed)
  » Species Auliscus acutiusculus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus aenigmus Hanna, 1927 (uncertain > unassessed)
  » Species Auliscus africanus Leuduger-Fortmorel, 1898 (uncertain > unassessed)
  » Species Auliscus altemans H.L. Smith ex Christian, 1887 (uncertain > unassessed)
  » Species Auliscus americanus Ehrenberg, 1854 (uncertain > unassessed)
  » Species Auliscus amoenus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus antiquus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus apedatus Rattray, 1889 (uncertain > unassessed)
  » Species Auliscus apellatus ‘Rattray' according to Deby, 1891 (uncertain > unassessed)
  » Species Auliscus asiaticus Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  » Species Auliscus aucklandicus (Grunow) Chase, 1885 accepted as Auliscus caelatus var. auklandica Grunow in A. Schmidt et al., 1881 (uncertain > unassessed)
  » Species Auliscus australiensis Greville, 1865 (uncertain > unassessed)
  » Species Auliscus baileyi Greville, 1863 (uncertain > unassessed)
  » Species Auliscus barbadensis Deby, 1891 (uncertain > unassessed)
  » Species Auliscus barbadensis Greville, 1865 accepted as Fenestrella barbadensis Greville, 1863 † (uncertain > unassessed)
  » Species Auliscus bonus Hanna, 1932 (uncertain > unassessed)
  » Species Auliscus bourgognei Bergon in Brun, Bergon, Deby & Tempère, 1891 (uncertain > unassessed)
  » Species Auliscus bubo Long, Fuge & Smith, 1946 (uncertain > unassessed)
  » Species Auliscus caballi Schmidt in Schmidt et al., 1875 (uncertain > unassessed)
  » Species Auliscus californicus Brun in Schmidt et al., 1892 (uncertain > unassessed)
  » Species Auliscus caribaeus Cleve ex Schmidt in Schmidt et al., 1881 (uncertain > unassessed)
  » Species Auliscus cellulatus Greville ms, Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus clevei Grunow in Schmidt et al., 1875 (uncertain > unassessed)
  » Species Auliscus coincidens Schmidt in Schmidt et al., 1892 (uncertain > unassessed)
  » Species Auliscus compactus Hustedt in Schmidt et al., 1944 (uncertain > unassessed)
  » Species Auliscus compactus Hustedt ex Simonsen, 1987 (uncertain > unassessed)
  » Species Auliscus compositus A. Schmidt in Schmidt et al., 1875 (uncertain > unassessed)
  » Species Auliscus confluens Grunow in Schmidt et al., 1874 (uncertain > unassessed)
    » Variety Auliscus confluens var. hauckii Pantocsek, 1886 (uncertain > unassessed)
  » Species Auliscus constellatus L.G. Mills, 1881 (uncertain > unassessed)
  » Species Auliscus convolutus Grove in Schmidt, 1892 (uncertain > unassessed)
  » Species Auliscus convolutus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus craterifer (Brun) Tempère & Peragallo, 1912 accepted as Auliscus johnsonianus var. craterifer Brun, 1896 (uncertain > unassessed)
  » Species Auliscus craterifer Brun, 1896 (uncertain > unassessed)
  » Species Auliscus crystallinus Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  » Species Auliscus curvatoradiosus Brun, 1895 (uncertain > unassessed)
  » Species Auliscus cylindricus Ehrenberg, 1844 (uncertain > unassessed)
  » Species Auliscus dayii Ross, 1937 (uncertain > unassessed)
  » Species Auliscus debyi (Leuduger-Fortmorel) VanLandingham, 1967 accepted as Pseudauliscus debyi Leuduger-Fortmorel, 1879 (uncertain > unassessed)
  » Species Auliscus diffusus (Rattray) VanLandingham, 1967 accepted as Pseudauliscus diffusus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus dilectus Long, Fuge & Smith, 1946 (uncertain > unassessed)
  » Species Auliscus dissimilis Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus dubius ‘Tempère in collections ?' according to Mills (uncertain > unassessed)
  » Species Auliscus ellipticus Schmidt in Schmidt et al., 1890 (uncertain > unassessed)
  » Species Auliscus exceptus Leuduger-Fortmorel, 1898 (uncertain > unassessed)
  » Species Auliscus eximius Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus expectus ‘Leuduger-Fortmorel' Mills, 1933 (uncertain > unassessed)
  » Species Auliscus febigerii Cleve ms, Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus fenestratus Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Auliscus fenestratus sensu A. Schmidt, 1933 (uncertain > unassessed)
  » Species Auliscus fenestratus sensu A. Schmidt, 1888 (uncertain > unassessed)
  » Species Auliscus fenestratus sensu A. Schmidt, 1888 (uncertain > unassessed)
  » Species Auliscus fenestratus sensu A. Schmidt, 1888 (uncertain > unassessed)
  » Species Auliscus floridanus Boyer, 1920 (uncertain > unassessed)
  » Species Auliscus formosus Leuduger-Fortmorel, 1879 (uncertain > unassessed)
  » Species Auliscus fractus Grove & Kitton in litt. ex Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus freultii ‘Leuduger-Fortmorel' according to Mills (uncertain > unassessed)
  » Species Auliscus fulcratus Schmidt in Schmidt et al., 1890 (uncertain > unassessed)
  » Species Auliscus fulvus (W. Smith) Rabenhorst, 1864 accepted as Eupodiscus fulvus W. Smith, 1853 (uncertain > unassessed)
  » Species Auliscus gigas Ehrenberg, 1854 (uncertain > unassessed)
  » Species Auliscus gigas sensu Grunow in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Auliscus gigas sensu Grunow in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Auliscus gleser Hajós, 1976 (uncertain > unassessed)
  » Species Auliscus gracillimus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus granulatus ‘J.W. Bailey ms' Habirshaw, 1881 (uncertain > unassessed)
  » Species Auliscus gregorii Janisch, 1861 (uncertain > unassessed)
  » Species Auliscus grevillei Janisch, 1861 (uncertain > unassessed)
  » Species Auliscus grovei Cleve (uncertain > unassessed)
  » Species Auliscus grunovii A.Schmidt, 1875 (uncertain > unassessed)
    » Variety Auliscus grunovii var. californica Grunow in Schmidt et al., 1886 (uncertain > unassessed)
    » Variety Auliscus grunovii var. flammula Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed)
    » Variety Auliscus grunovii var. grunovii Schmidt in Schmidt et al., 1875 (uncertain > unassessed)
    » Variety Auliscus grunovii var. pantocsekii Forti in Tempère & Peragallo, 1909 (uncertain > unassessed)
    » Variety Auliscus grunovii var. subpunctata ‘Rattray' Mills, 1933 (uncertain > unassessed)
  » Species Auliscus grunovii sensu Pantocsek, 1886 (uncertain > unassessed)
  » Species Auliscus haradaae Pantocsek, 1892 (uncertain > unassessed)
  » Species Auliscus hauckii Pantocsek, 1886 (uncertain > unassessed)
  » Species Auliscus hendeyi Long, Fuge & Smith, 1946 (uncertain > unassessed)
  » Species Auliscus hirsutus (Rattray) VanLandingham, 1967 accepted as Pseudauliscus hirsutus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus hungaricus Hajós, 1973 (uncertain > unassessed)
  » Species Auliscus hyalinus Boyer, 1920 (uncertain > unassessed)
  » Species Auliscus incertus Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  » Species Auliscus inflatus Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Auliscus insignis Cleve, 1881 (uncertain > unassessed)
  » Species Auliscus intercedens Janisch in Schmidt et al., 1875 (uncertain > unassessed)
  » Species Auliscus intestinalis Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  » Species Auliscus jimboi Pantocsek, 1892 (uncertain > unassessed)
  » Species Auliscus johnsonii ‘A. Schmidt' according to M. Peragallo, 1897 (uncertain > unassessed)
  » Species Auliscus joynsonii Schmidt in Schmidt et al., 1881 (uncertain > unassessed)
  » Species Auliscus kinkeri Schütt, 1896 (uncertain > unassessed)
  » Species Auliscus lacunosus Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Auliscus letoniensis (Janisch) VanLandingham, 1967 accepted as Pseudauliscus letoniensis Janisch in Schmidt et al., 1881 (uncertain > unassessed)
  » Species Auliscus le-tourneuri Brun in Brun et al., 1891 (uncertain > unassessed)
  » Species Auliscus leudugeri H. Peragallo, 1888 (uncertain > unassessed)
  » Species Auliscus lineatus Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Auliscus lizii ‘Tempère ?' according to Mills (uncertain > unassessed)
  » Species Auliscus lobatus Jurilj, 1957 (uncertain > unassessed)
  » Species Auliscus lucidus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus luminosus Brun, 1891 (uncertain > unassessed)
  » Species Auliscus lunatus Grove & Sturt in litt. Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus macraeanus Greville, 1863 (uncertain > unassessed)
  » Species Auliscus macraeanus sensu Möller in Schmidt et al., 1875 (uncertain > unassessed)
  » Species Auliscus mediterraneus H. Peragallo & M. Peragallo, 1902 (uncertain > unassessed)
  » Species Auliscus microleion Schmidt in Schmidt et al., 1890 (uncertain > unassessed)
  » Species Auliscus mirabilis Greville, 1863 (uncertain > unassessed)
  » Species Auliscus mutabilis ‘Greville' Wolle, 1890 (uncertain > unassessed)
  » Species Auliscus nanus Schmidt in Schmidt et al., 1875 (uncertain > unassessed)
  » Species Auliscus nebulo-punctatus Leuduger-Fortmorel, 1879 (uncertain > unassessed)
  » Species Auliscus nebulosus Greville, 1863 (uncertain > unassessed)
  » Species Auliscus nervatus Leuduger-Fortmorel, 1898 (uncertain > unassessed)
  » Species Auliscus nitidus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus nobilis Cleve ms, Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus notatus Greville, 1865 (uncertain > unassessed)
  » Species Auliscus notoensis Ichikawa in Ichikawa, Fuji & Bachmann, 1964 (uncertain > unassessed)
  » Species Auliscus nova-zealandicus Cleve (uncertain > unassessed)
  » Species Auliscus obscurus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus opulentus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus ornatus Greville, 1864 (uncertain > unassessed)
  » Species Auliscus ovalis Arnott ex Pritchard, 1861 (uncertain > unassessed)
    » Forma Auliscus ovalis f. minor Grunow in Schmidt, 1888 (uncertain > unassessed)
  » Species Auliscus pacificus ‘Grunow in Schmidt et al.' Mills, 1933 (uncertain > unassessed)
  » Species Auliscus paleaceus Long, Fuge & Smith, 1946 (uncertain > unassessed)
  » Species Auliscus parvulus Greville, 1863 (uncertain > unassessed)
  » Species Auliscus pauper Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus pectinatus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus petitii (Leuduger-Fortmorel) Schütt in Engler & Prantl, 1896 accepted as Pseudauliscus petitii Leuduger-Fortmorel, 1879 (uncertain > unassessed)
  » Species Auliscus philippinarum Mann, 1925 (uncertain > unassessed)
  » Species Auliscus polyphemus Schmidt in Schmidt et al., 1890 (uncertain > unassessed)
  » Species Auliscus polystigma (Ehrenberg) Ehrenberg, 1844 accepted as Coscinodiscus polystigma Ehrenberg, 1843 (uncertain > unassessed)
  » Species Auliscus polystigmus (Ehrenberg) Ralfs in Pritchard, 1861 accepted as Coscinodiscus polystigma Ehrenberg, 1843 (uncertain > unassessed)
  » Species Auliscus praelatus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus pressus Leuduger-Fortmorel, 1879 (uncertain > unassessed)
  » Species Auliscus priscus Long, Fuge & Smith, 1946 (uncertain > unassessed)
  » Species Auliscus prominens Tempère & Peragallo, 1910 (uncertain > unassessed)
  » Species Auliscus propinquus Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Auliscus pruinosus sensu Schmidt in Schmidt et al., 1875 (uncertain > unassessed)
  » Species Auliscus pulcherrimus Hendey, 1939 (uncertain > unassessed)
  » Species Auliscus punctatus sensu A. Schmidt in A. Schmidt et al., 1886 (uncertain > unassessed)
  » Species Auliscus punctulatus Grunow in Schmidt et al., 1875 (uncertain > unassessed)
  » Species Auliscus quadratus Mann, 1925 (uncertain > unassessed)
  » Species Auliscus quadriceps ‘J.W. Bailey ms' Habirshaw, 1881 (uncertain > unassessed)
  » Species Auliscus racemosus Ralfs ex Greville, 1863 (uncertain > unassessed)
  » Species Auliscus radiatus J.W.Bailey, 1854 (uncertain > unassessed)
  » Species Auliscus radiatus 'Ehrenberg' Janisch, 1861 (uncertain > unassessed)
  » Species Auliscus raeanus Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus raeanus var. transpennatus Brun, 1891 (uncertain > unassessed)
  » Species Auliscus ralfsianus Greville, 1863 (uncertain > unassessed)
  » Species Auliscus rattrayi Cleve in litt. ex Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus reichelti Debes ex Hustedt in Schmidt et al., 1944 (uncertain > unassessed)
  » Species Auliscus robustus (Truan & Witt) Rattray, 1888 accepted as Auliscus punctatus var. robusta Truan & Witt, 1888 (uncertain > unassessed)
  » Species Auliscus rotatus (Rattray) VanLandingham, 1967 accepted as Pseudauliscus rotatus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus rugosus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus schmidtii Gründler in Schmidt et al., 1875 (uncertain > unassessed)
  » Species Auliscus sculptus (W.Smith) Brightwell, 1860 accepted as Eupodiscus sculptus W.Smith, 1853 (uncertain > unassessed)
    » Variety Auliscus sculptus var. caelata (J.W. Bailey) Van Heurck, 1896 accepted as Auliscus caelatus f. caelatus J.W. Bailey, 1854 (uncertain > unassessed)
    » Variety Auliscus sculptus var. constrictus (J.Rattray) T.V.Desikachary, 1888 accepted as Auliscus caelatus var. constricta J.Rattray, 1888 (uncertain > unassessed)
    » Variety Auliscus sculptus var. major Desikachary, 1989 (uncertain > unassessed)
    » Variety Auliscus sculptus var. nankoorensis (Desikachary & Ranjitha Devi in Desikachary) Desikachary, 1989 accepted as Auliscus caelatus var. nankoorensis Desikachary & Ranjitha Devi in Desikachary, 1986 (uncertain > unassessed)
    » Variety Auliscus sculptus var. permagna Witt in Schmidt et al., 1888 (uncertain > unassessed)
    » Variety Auliscus sculptus var. punctata ‘Mereschkowsky' Mills, 1933 (uncertain > unassessed)
    » Variety Auliscus sculptus var. punctulata Mereschkowsky, 1902 (uncertain > unassessed)
    » Variety Auliscus sculptus var. rhipis (A. Schmidt) Giffen, 1975 accepted as Auliscus rhipis var. rhipis Schmidt in Schmidt et al., 1875 (uncertain > unassessed)
    » Variety Auliscus sculptus var. sculptus (W. Smith) Ralfs in Pritchard, 1861 accepted as Eupodiscus sculptus W.Smith, 1853 (uncertain > unassessed)
    » Variety Auliscus sculptus var. strigillatus (A. Schmidt) Giffen, 1975 accepted as Auliscus caelatus var. strigillata Schmidt in Schmidt et al., 1875 (uncertain > unassessed)
    » Variety Auliscus sculptus var. tripodiscus Brockmann, 1914 (uncertain > unassessed)
  » Species Auliscus scutulum Long, Fuge & Smith, 1946 (uncertain > unassessed)
  » Species Auliscus secalli Azpeitia Moros, 1911 (uncertain > unassessed)
  » Species Auliscus shulzei Boyer, 1922 (uncertain > unassessed)
  » Species Auliscus sigillum J.-J.Brun, 1892 (uncertain > unassessed)
  » Species Auliscus similis Hustedt in Schmidt et al., 1944 (uncertain > unassessed)
  » Species Auliscus smithii Janisch, 1861 (uncertain > unassessed)
  » Species Auliscus speciosus A. Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  » Species Auliscus spectabilis Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus spinosus Christian, 1887 (uncertain > unassessed)
  » Species Auliscus spissus Long, Fuge & Smith, 1946 (uncertain > unassessed)
  » Species Auliscus squamosus Brun, 1896 (uncertain > unassessed)
  » Species Auliscus stellatus H.L. Smith in Walker & Chase, 1886 (uncertain > unassessed)
  » Species Auliscus stelliger Petit, 1877 (uncertain > unassessed)
  » Species Auliscus stenops Schmidt in Schmidt et al., 1890 (uncertain > unassessed)
  » Species Auliscus sturtii Cleve ms, Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus subcaelatus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus sublaevis Grunow ms. ex Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus subspeciosus Rattray, 1888 (uncertain > unassessed)
  » Species Auliscus superbus Leuduger-Fortmorel, 1879 (uncertain > unassessed)
  » Species Auliscus suppressus Hanna, 1932 (uncertain > unassessed)
  » Species Auliscus temperei (Pantocsek) VanLandingham, 1967 accepted as Pseudocerataulus temperei Pantocsek, 1889 (uncertain > unassessed)
  » Species Auliscus tenuistriatus Hustedt in Schmidt et al., 1944 (uncertain > unassessed)
  » Species Auliscus tenuistriatus Hustedt ex Simonsen, 1987 (uncertain > unassessed)
  » Species Auliscus textilis Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  » Species Auliscus translucidus Brun, 1895 (uncertain > unassessed)
  » Species Auliscus transpennatus Brun, 1891 (uncertain > unassessed)
  » Species Auliscus treubii Leuduger-Fortmorel, 1892 (uncertain > unassessed)
  » Species Auliscus tricorona J.-J.Brun, 1889 (uncertain > unassessed)
  » Species Auliscus trilumen Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  » Species Auliscus trilunaris Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  » Species Auliscus trioculatus Long, Fuge & Smith, 1946 (uncertain > unassessed)
  » Species Auliscus tripinnatus Bone & Gosden, 1968 (uncertain > unassessed)
  » Species Auliscus whartoni Long, Fuge & Smith, 1946 (uncertain > unassessed)
Genus Australodiscus V. Porguen & M.J. Sullivan, 1997 †
  » Species Australodiscus peruvianus Porguen & Sullivan, 1997 † (uncertain > unassessed)
Genus Cerataulus Ehrenberg, 1844
  » Species Cerataulus granulata (Roper) P.A. Sims & D.M. Williams, 2018 †
  » Species Cerataulus labuensis Cleve
    » Variety Cerataulus labuensis var. labuensis Cleve, 1883 (uncertain > unassessed)
    » Variety Cerataulus labuensis var. linearis Amossé, 1924 (uncertain > unassessed)
  » Species Cerataulus orbicularis Forti
    » Variety Cerataulus orbicularis var. lacustris (Holmboe) Forti (uncertain > unassessed)
    » Variety Cerataulus orbicularis var. orbicularis Forti, 1910 (uncertain > unassessed)
  » Species Cerataulus polymorphus (Montagne) Van Heurck
  » Species Cerataulus simsae Hernández-Becerril & Baron-Campis, 2012
  » Species Cerataulus smithii Ralfs ex Pritchard, 1861
  » Species Cerataulus strelnikovae P.A. Sims & D. M. Williams in Sims et al, 2018 †
  » Species Cerataulus thermalis (Meneghini) Ralfs
  » Species Cerataulus turgidus Ehrenberg
    » Forma Cerataulus turgidus f. majorspinifera Peragallo & Peragallo, 1902 (uncertain > unassessed)
    » Forma Cerataulus turgidus f. minor Tempère & Peragallo, 1908 (uncertain > unassessed)
    » Forma Cerataulus turgidus f. turgidus (Ehrenberg) Ehrenberg, 1843 accepted as Denticella turgida Ehrenberg, 1840 (uncertain > unassessed)
    » Variety Cerataulus turgidus var. hispidissima Pantocsek, 1889 (uncertain > unassessed)
    » Variety Cerataulus turgidus var. linearis (Amossé) Mills, 1933 accepted as Cerataulus labuensis var. linearis Amossé, 1924 (uncertain > unassessed)
    » Variety Cerataulus turgidus var. majorspinifera H. Peragallo in Tempère & Peragallo, 1908 (uncertain > unassessed)
    » Variety Cerataulus turgidus var. polyceros Castracane, 1886 (uncertain > unassessed)
    » Variety Cerataulus turgidus var. terryana Kain in Forti, 1910 (uncertain > unassessed)
  » Species Cerataulus laevis (Ehrenberg) Ralfs, 1861 accepted as Pleurosira laevis (Ehrenberg) Compère, 1982 (synonym)
    » Variety Cerataulus laevis var. chinensis Grunow, 1877 (uncertain > unassessed)
    » Variety Cerataulus laevis var. pangeroni Leuduger-Fortmorel, 1892 (uncertain > unassessed)
    » Variety Cerataulus laevis var. thermalis Grunow in Schmidt et al., 1888 (uncertain > unassessed)
    » Variety Cerataulus laevis var. thomei Leuduger-Fortmorel, 1898 (uncertain > unassessed)
  » Species Cerataulus turgidus (Ehrenberg) Ehrenberg, 1844 accepted as Odontella turgida (Ehrenberg) Kützing, 1844 (synonym)
  » Species Cerataulus antediluvianus M. Peragallo in Tempère & Peragallo, 1913 (uncertain > unassessed)
  » Species Cerataulus azoricus Pavillard, 1930 (uncertain > unassessed)
  » Species Cerataulus bergonii H.Peragallo, 1892 (uncertain > unassessed)
  » Species Cerataulus boryanus Pantocsek, 1889 (uncertain > unassessed)
  » Species Cerataulus californicus Schmidt in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Cerataulus chinensis Grunow, 1877 (uncertain > unassessed)
  » Species Cerataulus deflandrei Cheneviere, 1934 (uncertain > unassessed)
  » Species Cerataulus ellipticus Vekschina, 1961 (uncertain > unassessed)
  » Species Cerataulus galapagensis (Cleve) Schmidt in Schmidt et al., 1888 accepted as Biddulphia gallapagensis Cleve, 1881 (uncertain > unassessed)
  » Species Cerataulus hungaricus Pantocsek, 1889 (uncertain > unassessed)
  » Species Cerataulus hustedtii Amossé, 1969 (uncertain > unassessed)
  » Species Cerataulus imperator Hanna & Grant, 1926 (uncertain > unassessed)
  » Species Cerataulus japonicus Pantocsek, 1892 (uncertain > unassessed)
  » Species Cerataulus johnsonianus (Greville) Cleve, 1885 accepted as Biddulphia johnsoniana Greville, 1866 (uncertain > unassessed)
  » Species Cerataulus kinkeri Schmidt in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Cerataulus labuani (Cleve) Cleve in Schmidt et al., 1888 accepted as Cerataulus labuensis var. labuensis Cleve, 1883 (uncertain > unassessed)
  » Species Cerataulus laevis [sensu] Rabenhorst, 1864 (uncertain > unassessed)
    » Forma Cerataulus laevis f. schmidtii Forti, 1910 (uncertain > unassessed)
    » Forma Cerataulus laevis f. trimera Forti, 1910 (uncertain > unassessed)
    » Variety Cerataulus laevis var. laevis (Ehrenberg) Ralfs in Pritchard, 1861 accepted as Biddulphia laevis f. laevis Ehrenberg, 1843 (uncertain > unassessed)
    » Variety Cerataulus laevis var. paludosa Tempère & Peragallo, 1889-1895 (uncertain > unassessed)
    » Variety Cerataulus laevis var. robusta Tempère & Peragallo, 1908 (uncertain > unassessed)
    » Variety Cerataulus laevis var. sinensis (Grunow) De Toni, 1894 accepted as Cerataulus laevis var. chinensis Grunow, 1877 (uncertain > unassessed)
    » Variety Cerataulus laevis var. typica Forti, 1910 (uncertain > unassessed)
  » Species Cerataulus marginatus Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Cerataulus ovalis Schmidt in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Cerataulus pacificus Hajós, 1976 (uncertain > unassessed)
  » Species Cerataulus pacificus Grunow in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Cerataulus pangeroni Thum accepted as Cerataulus laevis var. pangeroni Leuduger-Fortmorel, 1892 (uncertain > unassessed)
  » Species Cerataulus peragalloi Pantocsek (uncertain > unassessed)
  » Species Cerataulus petitii Leuduger-Fortmorel, 1892 (uncertain > unassessed)
  » Species Cerataulus radiatus R.Ross, 1986 (uncertain > unassessed)
  » Species Cerataulus reichardtii Grunow, 1863 (uncertain > unassessed)
  » Species Cerataulus rotundatus Schibkova in Krotov & Schibkova, 1959 (uncertain > unassessed)
  » Species Cerataulus rotundus Tempère & Brun, 1890 (uncertain > unassessed)
  » Species Cerataulus scaber (uncertain > unassessed)
    » Variety Cerataulus scaber var. heliodiscus Brun, 1891 (uncertain > unassessed)
    » Variety Cerataulus scaber var. scaber (Greville) Rattray, 1888 accepted as Eupodiscus scaber var. scaber Greville, 1864 (uncertain > unassessed)
    » Variety Cerataulus scaber var. scaber (Greville) DeToni, 1894 accepted as Eupodiscus scaber var. scaber Greville, 1864 (uncertain > unassessed)
  » Species Cerataulus socotrensis Kitton, 1884 (uncertain > unassessed)
  » Species Cerataulus subangulatus Grove & Sturt, 1886 † (uncertain > unassessed)
  » Species Cerataulus thermalis Grunow, 1863 (uncertain > unassessed)
  » Species Cerataulus thomei 'Leuduger-Fortmorel' according to Mills, 1933 (uncertain > unassessed)
  » Species Cerataulus thumii Schmidt in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Cerataulus titianus Grunow, 1863 (uncertain > unassessed)
  » Species Cerataulus weissflogii Pantocsek (uncertain > unassessed)
Genus Eupodiscus J.W. Bailey, 1851
  » Species Eupodiscus gregorianus Brébisson, 1870
  » Species Eupodiscus radiatus Bailey, 1851
    » Variety Eupodiscus radiatus var. antiqua Cox in Kain & Schultze, 1889 (uncertain > unassessed)
    » Variety Eupodiscus radiatus var. humilis Rattray, 1888 (uncertain > unassessed)
    » Variety Eupodiscus radiatus var. minor Grunow, 1867 (uncertain > unassessed)
    » Variety Eupodiscus radiatus var. radiatus J.W. Bailey, 1851 (uncertain > unassessed)
  » Species Eupodiscus lineatus J.W.Barker & S.H.Meakin, 1947 † accepted as Praetriceratium lineatum (Barker & Meakin) P.A.Sims, 2001 †
  » Species Eupodiscus ralfsii W.Smith, 1856 accepted as Actinocyclus octonarius var. ralfsii (W.Smith) Hendey, 1954 (synonym)
    » Variety Eupodiscus ralfsii var. beta Gregory, 1855 (uncertain > unassessed)
    » Variety Eupodiscus ralfsii var. ralfsii W. Smith, 1856 (uncertain > unassessed)
  » Species Eupodiscus tesselatus Roper, 1858 represented as Roperia tesselata (Roper) Grunow ex Pelletan, 1889 (Homotypic Synonym)
  » Species Eupodiscus americanus Ehrenberg, 1844 (uncertain > unassessed)
  » Species Eupodiscus antiquus (Cox) Hanna, 1932 accepted as Eupodiscus radiatus var. antiqua Cox in Kain & Schultze, 1889 (uncertain > unassessed)
  » Species Eupodiscus argus (Ehrenberg) W.Smith, 1853 accepted as Tripodiscus argus Ehrenberg, 1839 (uncertain > unassessed)
  » Species Eupodiscus baileyi Ehrenberg, 1844 (uncertain > unassessed)
  » Species Eupodiscus barbadensis Meakin & Brigger, 1949 (uncertain > unassessed)
  » Species Eupodiscus barbadensis Greville, 1864 (uncertain > unassessed)
  » Species Eupodiscus churchii (Hanna) P.A. Sims, 2001 (uncertain > unassessed)
  » Species Eupodiscus commutatus Grunow, 1884 (uncertain > unassessed)
  » Species Eupodiscus commutatus Grunow, 1884 (uncertain > unassessed)
  » Species Eupodiscus concinnus (uncertain > unassessed)
    » Variety Eupodiscus concinnus var. concinnus Van Heurck according to Rattray (uncertain > unassessed)
    » Variety Eupodiscus concinnus var. triangularis Van Heurck according to Rattray (uncertain > unassessed)
  » Species Eupodiscus coronalis (Brun) VanLandingham, 1971 accepted as Isodiscus coronalis Brun, 1895 † (uncertain > unassessed)
  » Species Eupodiscus coronatus (Brun) VanLandingham, 1969 (uncertain > unassessed)
  » Species Eupodiscus crassus W.Smith, 1853 (uncertain > unassessed)
  » Species Eupodiscus crucifer Shadbolt, 1854 (uncertain > unassessed)
  » Species Eupodiscus crux (Ehrenberg) Kützing, 1849 (uncertain > unassessed)
  » Species Eupodiscus debyi (Grove & Sturt) Grove & Sturt in lit. Botan. Central accepted as Lampriscus debii Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Eupodiscus decrescens Rattray, 1888 (uncertain > unassessed)
  » Species Eupodiscus deformis Habirshaw et al., 1877-1894 (uncertain > unassessed)
  » Species Eupodiscus excentricus O'Meara, 1867 (uncertain > unassessed)
  » Species Eupodiscus formosus Walker-Arnott, 1858 (uncertain > unassessed)
  » Species Eupodiscus fulvus W. Smith, 1853 (uncertain > unassessed)
  » Species Eupodiscus germanicus Ehrenberg, 1844 (uncertain > unassessed)
  » Species Eupodiscus gregoryanus de Brébisson, 1870 (uncertain > unassessed)
  » Species Eupodiscus grevillii Ralfs in Pritchard, 1861 (uncertain > unassessed)
  » Species Eupodiscus hardmanianus Greville, 1866 (uncertain > unassessed)
  » Species Eupodiscus inconspicuus Rattray, 1888 (uncertain > unassessed)
  » Species Eupodiscus insutus Castracane, 1886 (uncertain > unassessed)
  » Species Eupodiscus interpunctatus (Brightwell) Grunow, 1868 accepted as Actinoptychus interpunctatus Brightwell, 1860 (uncertain > unassessed)
  » Species Eupodiscus jonesianus Greville, 1862 (uncertain > unassessed)
  » Species Eupodiscus kamischevensis Jousé in Proschkina-Lavrenko, 1949 (uncertain > unassessed)
  » Species Eupodiscus lacustris Holmboe in Wille, 1903 (uncertain > unassessed)
  » Species Eupodiscus laevis (uncertain > unassessed)
  » Species Eupodiscus marginatus Collections of Greville & Hardman (uncertain > unassessed)
  » Species Eupodiscus mendosus VanLandingham, 1969 (uncertain > unassessed)
  » Species Eupodiscus minutus Greville, 1866 (uncertain > unassessed)
  » Species Eupodiscus minutus Hantzsch in Rabenhorst, 1863 (uncertain > unassessed)
  » Species Eupodiscus mirificus (Rattray) Schütt, 1896 accepted as Isodiscus mirificus Rattray, 1888 † (uncertain > unassessed)
  » Species Eupodiscus monstruosus Ehrenberg, 1844 (uncertain > unassessed)
  » Species Eupodiscus nebulosus (Leuduger-Fortmorel) Rattray, 1888 accepted as Pseudauliscus nebulosus (Greville) Rattray, 1888 (uncertain > unassessed)
  » Species Eupodiscus oamaruensis Grunow, 1887 † (uncertain > unassessed)
  » Species Eupodiscus obscurus Greville, 1862 (uncertain > unassessed)
  » Species Eupodiscus oculatus Greville, 1862 (uncertain > unassessed)
  » Species Eupodiscus ovalis G.Norman, 1861 (uncertain > unassessed)
  » Species Eupodiscus paracaënsis M.J.Sullivan & V.Porguen, 1990 † (uncertain > unassessed)
  » Species Eupodiscus parvulus Amossé, 1924 (uncertain > unassessed)
    » Variety Eupodiscus parvulus var. concentrica Rattray, 1888 (uncertain > unassessed)
    » Variety Eupodiscus parvulus var. parvulus Greville in Rattray, 1888 (uncertain > unassessed)
  » Species Eupodiscus peruvianus Kitton ex Ralfs in Pritchard, 1861 (uncertain > unassessed)
  » Species Eupodiscus petersii (Ehrenberg) Kützing, 1849 (uncertain > unassessed)
  » Species Eupodiscus punctatulus Greville specimens (slides) (uncertain > unassessed)
  » Species Eupodiscus punctatus Bailey manuscript in Habirshaw et al., 1877-1894 (uncertain > unassessed)
  » Species Eupodiscus punctulatus Greville, 1863 (uncertain > unassessed)
  » Species Eupodiscus quaternarius Ehrenberg, 1844 (uncertain > unassessed)
  » Species Eupodiscus quinarius Ehrenberg, 1844 (uncertain > unassessed)
  » Species Eupodiscus radiatus W. Smith, 1853 (uncertain > unassessed)
  » Species Eupodiscus rogersii Ehrenberg, 1844 (uncertain > unassessed)
  » Species Eupodiscus roperi Brébisson, 1870 (uncertain > unassessed)
  » Species Eupodiscus scaber (uncertain > unassessed)
    » Variety Eupodiscus scaber var. heliodiscus (Brun) Tempère & Peragallo, 1912 accepted as Cerataulus scaber var. heliodiscus Brun, 1891 (uncertain > unassessed)
    » Variety Eupodiscus scaber var. heliodiscus Brun, 1891 (uncertain > unassessed)
    » Variety Eupodiscus scaber var. scaber Greville, 1864 (uncertain > unassessed)
  » Species Eupodiscus sculptus W.Smith, 1853 (uncertain > unassessed)
  » Species Eupodiscus septenarius Ehrenberg, 1856 (uncertain > unassessed)
  » Species Eupodiscus simbirskianus Grunow, 1887 † (uncertain > unassessed)
  » Species Eupodiscus simplex Greville, 1863 (uncertain > unassessed)
  » Species Eupodiscus sparsus Gregory, 1857 (uncertain > unassessed)
  » Species Eupodiscus subtilis Gregory, 1857 (uncertain > unassessed)
  » Species Eupodiscus subtilis Ehrenberg, 1855 (uncertain > unassessed)
  » Species Eupodiscus tenellus Brébisson, 1854 (uncertain > unassessed)
  » Species Eupodiscus trioculatus (uncertain > unassessed)
    » Variety Eupodiscus trioculatus var. californicus Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Eupodiscus trioculatus var. trioculatus Greville, 1864 (uncertain > unassessed)
  » Species Eupodiscus tripes Johnson, 1852 (uncertain > unassessed)
  » Species Eupodiscus umbonatus Barker & Meakin, 1945 (uncertain > unassessed)
  » Species Eupodiscus vallatus Barker & Meakin, 1946 (uncertain > unassessed)
  » Species Eupodiscus velatus Greville ex Moller, 1868, 1881 (uncertain > unassessed)
  » Species Eupodiscus weissflogii (Grunow) De Toni, 1894 accepted as Micropodiscus weissflogii Grunow, 1885 (uncertain > unassessed)
Genus Hobaniella P.A. Sims & D. M. Williams in Sims et al, 2018
Genus Jouserella T.F.Kozyrenko in T.F.Kozyrenko & N.I.Strelnikova, 2012 †
Genus Lampriscus A. Schmidt in A. Schmidt et al., 1882
  » Species Lampriscus orbiculatum (Shadbolt) Peragallo & Peragallo, 1902
  » Species Lampriscus shadboldtianum (Greville) H.Peragallo & M.Peragallo, 1902
  » Species Lampriscus circulare Van Heurck, 1883 (uncertain > unassessed)
    » Variety Lampriscus circulare var. circulare Van Heurck, 1883 (uncertain > unassessed)
  » Species Lampriscus circularis (Grunow) De Toni, 1894 accepted as Triceratium circulare f. circulare Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Lampriscus debii Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Lampriscus fasciculatus De Toni, 1894 (uncertain > unassessed)
  » Species Lampriscus gibbosus (Harvey & J.W. Bailey) De Toni, 1894 accepted as Triceratium gibbosum f. gibbosum Harvey & J.W. Bailey, 1853 (1854) (uncertain > unassessed)
  » Species Lampriscus kittonii Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  » Species Lampriscus leudugeri (uncertain > unassessed)
  » Species Lampriscus leudugerii (uncertain > unassessed)
  » Species Lampriscus orbiculatus (sensu Brightwell) (uncertain > unassessed)
  » Species Lampriscus orbiculatus (Shadbolt) Cleve, 1901 accepted as Triceratium orbiculatum var. orbiculatum Shadbolt, 1854 (uncertain > unassessed)
    » Variety Lampriscus orbiculatus var. elongata Peragallo & Peragallo, 1897-1908 (uncertain > unassessed)
  » Species Lampriscus shadboltianus (uncertain > unassessed)
    » Variety Lampriscus shadboltianus var. elongata (Grunow) (uncertain > unassessed)
    » Variety Lampriscus shadboltianus var. elongatus (Grunow) Hendey, 1867 accepted as Triceratium elongatum Grunow, 1867 (uncertain > unassessed)
    » Variety Lampriscus shadboltianus var. kittonii (Schmidt in Schmidt et al.) (uncertain > unassessed)
Genus Odontella C.A. Agardh, 1832
  » Species Odontella aurita (Lyngbye) C.Agardh, 1832
  » Species Odontella granulata (Roper) R.Ross in Hartley, 1986 † accepted as Cerataulus granulata (Roper) P.A. Sims & D.M. Williams, 2018 † (Invalid)
  » Species Odontella subaequa Kützing, 1844 accepted as Biddulphia subaequa (Kützing) J.Ralfs, 1861 (basionym)
  » Species Odontella acutum (Ehrenberg) M. Peragallo, 1903 accepted as Triceratium acutum Ehrenberg, 1844 (1845) (uncertain > unassessed)
  » Species Odontella affine (Grunow in Van Heurck) M. Peragallo, 1903 accepted as Triceratium affine Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Odontella affinis (Grunow) Cleve, 1901 accepted as Triceratium affine Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Odontella amphicephala Ehrenberg, 1845 (uncertain > unassessed)
  » Species Odontella angulata (Schmidt in Schmidt et al.) De Toni, 1894 accepted as Biddulphia angulata Schmidt in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Odontella antediluviana (Ehrenberg) M. Peragallo, 1903 accepted as Amphitetras antediluviana var. antediluviana Ehrenberg, 1840 (uncertain > unassessed)
  » Species Odontella atlantica (Frenguelli) E.A.Sar, 2007 accepted as Biddulphia rhombus var. atlantica J.Frenguelli, 1930 (uncertain > unassessed)
  » Species Odontella barbadensis (Greville) De Toni, 1894 accepted as Biddulphia barbadensis Greville, 1866 (uncertain > unassessed)
  » Species Odontella biddulphioides Wigand, 1860 (uncertain > unassessed)
  » Species Odontella birostrum (Brun) De Toni, 1894 accepted as Biddulphia birostrum Brun, 1891 (uncertain > unassessed)
  » Species Odontella blanda (Schmidt in Schmidt et al.) F.W. Mills, 1933 accepted as Biddulphia blanda Schmidt in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Odontella boryana Pantocsek, 1889 (uncertain > unassessed)
  » Species Odontella brittoniana (Kain & E.A. Schultze) De Toni, 1894 accepted as Biddulphia brittoniana C.H.Kain & E.A.Schultze, 1889 † (uncertain > unassessed)
  » Species Odontella calamus (Brun & Tempère) Schrader in Schrader & Fenner, 1976 accepted as Biddulphia calamus Tempère & Brun, 1889 † (uncertain > unassessed)
  » Species Odontella californica (Grunow in Van Heurck) M. Peragallo, 1903 accepted as Triceratium californicum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Odontella chinensis (Greville) Grunow, 1884 accepted as Biddulphia sinensis Greville, 1866 (uncertain > unassessed)
  » Species Odontella consimilis (Grunow in Van Heurck) M. Peragallo, 1903 accepted as Triceratium consimile Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Odontella cookiana (Kain & E.A. Schultze) De Toni, 1894 accepted as Biddulphia cookiana Kain & Schultze, 1889 (uncertain > unassessed)
  » Species Odontella cornuta (J. Brun) Schrader in Schrader & Fenner, 1976 accepted as Biddulphia cornuta Brun, 1894 (uncertain > unassessed)
  » Species Odontella cornuta (Greville) M. Peragallo, 1903 accepted as Triceratium cornutum R.K.Greville † (uncertain > unassessed)
  » Species Odontella cornutum (uncertain > unassessed)
    » Variety Odontella cornutum var. pulchella Van Heurck, 1883 (uncertain > unassessed)
  » Species Odontella cristata Fide Grunow, 1884 (uncertain > unassessed)
  » Species Odontella decorata (Greville) De Toni, 1894 accepted as Biddulphia decorata Greville, 1865 (uncertain > unassessed)
  » Species Odontella desmidium Ehrenberg, 1838 (uncertain > unassessed)
  » Species Odontella discigera (Grunow) De Toni (uncertain > unassessed)
  » Species Odontella dissipata (Grove & Sturt) De Toni, 1894 accepted as Biddulphia dissipata Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Odontella dubia (Brightwell) Cleve, 1901 accepted as Pseudictyota dubium (Brightwell) P.A. Sims & D. M. Williams in Sims et al., 2018 (uncertain > unassessed)
  » Species Odontella edwardsii (Febiger ex H.L. Smith) Grunow, 1884 accepted as Biddulphia edwardsii Febiger ex Grunow, 1882 (uncertain > unassessed)
  » Species Odontella elegans (Greville) M. Peragallo, 1903 accepted as Amphitetras elegans Greville, 1866 (uncertain > unassessed)
  » Species Odontella elegans (Van Heurck) De Toni, 1894 accepted as Amphitetras elegans Greville, 1866 (uncertain > unassessed)
    » Variety Odontella elegans var. elegans Van Heurck, 1883 (uncertain > unassessed)
  » Species Odontella etolona Dolmatova in Dolmatova, Kuklina & Oreshkina, 1984 (uncertain > unassessed)
  » Species Odontella expedita (Janisch in Schmidt et al.) De Toni, 1894 accepted as Biddulphia expedita Janisch in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Odontella favus (Ehrenberg) Cleve, 1901 accepted as Triceratium favus f. favus Ehrenberg, 1840 (uncertain > unassessed)
  » Species Odontella favus (Ehrenberg) M. Peragallo, 1903 accepted as Triceratium favus f. favus Ehrenberg, 1840 (uncertain > unassessed)
  » Species Odontella febigeri Grunow, 1884 (uncertain > unassessed)
  » Species Odontella fenestrata (Grunow in Schmidt et al.) De Toni, 1894 accepted as Biddulphia fenestrata (Grove & Sturt) Grunow in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Odontella filiformis Ehrenberg, 1838 (uncertain > unassessed)
  » Species Odontella fimbriata (Greville) Grunow, 1884 † accepted as Parodontella fimbriata (Greville) D. M. Williams & P.A. Sims in Sims et al., 2018 † (uncertain > unassessed)
  » Species Odontella gallapagensis (Cleve) De Toni, 1894 accepted as Biddulphia gallapagensis Cleve, 1881 (uncertain > unassessed)
  » Species Odontella hastata (Greville) J. Fenner ex Williams, 1988 accepted as Hemiaulus hastatus Greville, 1865 (uncertain > unassessed)
  » Species Odontella heibergii Grunow, 1884 (uncertain > unassessed)
  » Species Odontella laeve (uncertain > unassessed)
  » Species Odontella laevis (Ehrenberg) Kützing, 1849 accepted as Denticella levis Ehrenberg, 1844 (uncertain > unassessed)
  » Species Odontella litigiosa (Van Heurck) Hoban, 1980 accepted as Biddulphia litigiosa Van Heurck, 1909 (uncertain > unassessed)
  » Species Odontella longicruris (Greville) M.A.Hoban, 1983 accepted as Hobaniella longicruris (Greville) P.A. Sims & D.M. Williams in Sims et al., 2018 (uncertain > unassessed)
  » Species Odontella longispina (Grunow in Van Heurck) Grunow, 1884 accepted as Biddulphia longispina Grunow in Van Heurck, 1882 (uncertain > unassessed)
  » Species Odontella macdonaldii (Norman in Pritchard) Grunow, 1884 accepted as Biddulphia macdonaldii Norman in Pritchard, 1861 (uncertain > unassessed)
  » Species Odontella madagascarensis (Grunow in Van Heurck) M. Peragallo, 1903 accepted as Triceratium madagascarense Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Odontella mammifera (Grunow in Van Heurck) M. Peragallo, 1903 accepted as Triceratium mammiferum f. mammiferum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Odontella mammiferum (uncertain > unassessed)
    » Variety Odontella mammiferum var. minor Van Heurck, 1883 (uncertain > unassessed)
  » Species Odontella mammosa (Greville) De Toni, 1894 accepted as Biddulphia mammosa Greville, 1866 (uncertain > unassessed)
  » Species Odontella manca (Janisch in Schmidt et al.) De Toni, 1894 accepted as Biddulphia manca Janisch in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Odontella minuta (Greville) Andrews in Wetmore & Andrews, 1990 (uncertain > unassessed)
  » Species Odontella minutissima (Greville) De Toni, 1894 accepted as Biddulphia minutissima Greville, 1886 (uncertain > unassessed)
  » Species Odontella mobilensis (J. W. Bailey) Grunow, 1884 (uncertain > unassessed)
  » Species Odontella mobiliensis (J.W.Bailey) Grunow, 1884 (uncertain > unassessed)
  » Species Odontella neogradensis Pantocsek, 1886 (uncertain > unassessed)
  » Species Odontella oamaruensis (Grove & Sturt) De Toni, 1894 accepted as Biddulphia oamaruensis Grove & Sturt, 1886 (uncertain > unassessed)
  » Species Odontella obtusa Kützing, 1844 (uncertain > unassessed)
  » Species Odontella obtusa Grunow in Schmidt et al., 1888 (uncertain > unassessed)
    » Variety Odontella obtusa var. obtusa Reinsch, 1890 (uncertain > unassessed)
  » Species Odontella pedalis (Grunow & Sturt) Grunow, 1888 accepted as Biddulphia pedalis Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Odontella plana (Schmidt in Schmidt et al.) De Toni, 1894 accepted as Pseudictyota plana (A. Schmidt) P.A. Sims & D. M. Williams in Sims et al., 2018 (uncertain > unassessed)
  » Species Odontella polycanthos (Brun) De Toni, 1894 (uncertain > unassessed)
  » Species Odontella polymera (Ehrenberg) Kützing, 1849 accepted as Denticella polymera Ehrenberg, 1844 (1845) (uncertain > unassessed)
  » Species Odontella polymorpha Kützing accepted as Isthmia polymorpha Montagne, 1840 (uncertain > unassessed)
  » Species Odontella polymorphus (uncertain > unassessed)
    » Variety Odontella polymorphus var. polymorphus Van Heurck, 1883 (uncertain > unassessed)
  » Species Odontella primordialis (Brun) De Toni, 1894 accepted as Biddulphia primordialis var. primordialis Brun, 1891 (uncertain > unassessed)
  » Species Odontella pulverea Olshtynskaja, 1978 (uncertain > unassessed)
  » Species Odontella pygmea Pantocsek, 1892 (uncertain > unassessed)
  » Species Odontella regia (Schultze) Simonsen, 1974 (uncertain > unassessed)
  » Species Odontella reticulata (Roper) De Toni, 1894 accepted as Biddulphia reticulata f. reticulata Roper, 1859 (uncertain > unassessed)
  » Species Odontella retiformis (A. Mann) von Stosch, 1985 accepted as Biddulphia retiformis Mann, 1925 (uncertain > unassessed)
    » Variety Odontella retiformis var. trigona von Stosch, 1985 (uncertain > unassessed)
  » Species Odontella rhomboides R.Jahn & W.-H.Kusber, 2004 (uncertain > unassessed)
  » Species Odontella rhombus (Ehrenberg) Kützing, 1849 accepted as Zygoceros rhombus Ehrenberg, 1839 (uncertain > unassessed)
  » Species Odontella roperiana (Greville) De Toni, 1894 accepted as Biddulphia roperiana f. roperiana Greville, 1859 (uncertain > unassessed)
  » Species Odontella rostrata (Hustedt) Simonsen, 1987 accepted as Biddulphia rostrata var. rostrata Hustedt, 1939 (uncertain > unassessed)
  » Species Odontella sawamurae Akiba in Morita, Titova & Akiba, 1996 (uncertain > unassessed)
  » Species Odontella separanda (Janisch in Schmidt et al.) De Toni, 1894 accepted as Biddulphia separanda Janisch in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Odontella septentrionala Schrader in Schrader & Fenner, 1976 (uncertain > unassessed)
  » Species Odontella sinensis (Greville) Grunow, 1884 accepted as Biddulphia sinensis Greville, 1866 (uncertain > unassessed)
  » Species Odontella smithii (Ralfs in Pritchard) M. Peragallo, 1903 accepted as Cerataulus smithii var. smithii Ralfs in Pritchard, 1861 (uncertain > unassessed)
  » Species Odontella spinosa (Greville) Grunow, 1884 accepted as Biddulphia spinosa var. spinosa Greville, 1865 (uncertain > unassessed)
  » Species Odontella spinulosa (Grunow) Cleve, 1901 accepted as Triceratium spinulosum Grunow in Schmidt et al., 1885 (uncertain > unassessed)
  » Species Odontella striata Reinsch, 1890 (uncertain > unassessed)
  » Species Odontella sublevis (Grunow in Van Heurck) De Toni, 1894 (uncertain > unassessed)
  » Species Odontella tentaculifera (Cleve) De Toni, 1894 accepted as Biddulphia tentaculifera Cleve, 1881 (uncertain > unassessed)
  » Species Odontella tetraodon Ehrenberg, 1840 (uncertain > unassessed)
  » Species Odontella tridentata (Ehrenberg) M. Peragallo, 1903 accepted as Denticella tridentata Ehrenberg, 1844 (uncertain > unassessed)
  » Species Odontella tubulosa (Brun) De Toni, 1894 accepted as Biddulphia tubulosa Brun, 1891 (uncertain > unassessed)
  » Species Odontella tumida (Ehrenberg) Kützing, 1849 accepted as Denticella tumida Ehrenberg, 1844 (1845) (uncertain > unassessed)
  » Species Odontella turgida (Ehrenberg) Kützing, 1844 accepted as Denticella turgida Ehrenberg, 1840 (uncertain > unassessed)
  » Species Odontella unidentata Ehrenberg, 1838 (uncertain > unassessed)
  » Species Odontella weissflogii (Grunow) Grunow, 1884 accepted as Biddulphia weissflogii Grunow, 1882 (uncertain > unassessed)
Genus Petrochiscus N.I. Hendey & P.A. Sims, 2002 †
Genus Pleurosira (G. Meneghini) V.B.A. Trevisan di San Leon, 1848
  » Species Pleurosira indica B.Karthick & J.P.Kociolek, 2011
  » Species Pleurosira inusitata (Hohn & Hellerman) Desianti & Potapova, 2015
  » Species Pleurosira laevis (Ehrenberg) Compère, 1982
    » Forma Pleurosira laevis f. polymorpha Compère, 1982 (uncertain > unassessed)
    » Variety Pleurosira laevis var. paludosa (Tempère & Peragallo ex Forti) Compere, 1982 (uncertain > unassessed)
  » Species Pleurosira nanjiensis Yuhang Li, Nagumo & Kuidong Xu, 2018
  » Species Pleurosira baileyi Meneghini (uncertain > unassessed)
  » Species Pleurosira baileyi (Meneghini) Meneghini, 1846 (uncertain > unassessed)
  » Species Pleurosira minor D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 (uncertain > unassessed)
  » Species Pleurosira socotrensis (Kitton) Compère, 1982 (uncertain > unassessed)
  » Species Pleurosira thermalis (Meneghini) San Léon, 1848 (uncertain > unassessed)
Genus Porguenia M.J. Sullivan, 1997 †
  » Species Porguenia peruviana M.J.Sullivan, 1997 † (uncertain > unassessed)
Genus Praetriceratium P.A. Sims, 2001 †
Genus Proteucylindrus C.-W. Li & Y.-M. Chiang, 1979
  » Species Proteucylindrus taiwanensis C.-W.Li & Y.-M.Chiang, 1979 (uncertain > unassessed)
Genus Pseudauliscus A. Schmidt in A. Schmidt et al., 1875
  » Species Pseudauliscus peruvianus (Kitton ex Ralfs) A.Schmidt, 1875
  » Species Pseudauliscus ambiguus (uncertain > unassessed)
  » Species Pseudauliscus anceps Rattray, 1888 (uncertain > unassessed)
  » Species Pseudauliscus brunii Pantocsek, 1889 (uncertain > unassessed)
  » Species Pseudauliscus debyi Leuduger-Fortmorel, 1879 (uncertain > unassessed)
  » Species Pseudauliscus diffusus Rattray, 1888 (uncertain > unassessed)
  » Species Pseudauliscus elaboratus (uncertain > unassessed)
  » Species Pseudauliscus granulatus Pantocsek, 1892 (uncertain > unassessed)
  » Species Pseudauliscus grevillei R. Ross in Williams, 1988 (uncertain > unassessed)
  » Species Pseudauliscus hirsutus Rattray, 1888 (uncertain > unassessed)
  » Species Pseudauliscus johnsonianus (uncertain > unassessed)
  » Species Pseudauliscus kamichevensis Hendey, 1939 (uncertain > unassessed)
  » Species Pseudauliscus letoniensis Janisch in Schmidt et al., 1881 (uncertain > unassessed)
  » Species Pseudauliscus letournerii (Brun) De Toni, 1894 (uncertain > unassessed)
  » Species Pseudauliscus leudugerii (H. Peragallo) De Toni, 1894 accepted as Auliscus leudugeri H. Peragallo, 1888 (uncertain > unassessed)
  » Species Pseudauliscus luminosus (Brun) De Toni, 1894 accepted as Auliscus luminosus Brun, 1891 (uncertain > unassessed)
  » Species Pseudauliscus nebulosus Leuduger-Fortmorel, 1879 (uncertain > unassessed)
  » Species Pseudauliscus nebulosus (Greville) Rattray, 1888 accepted as Auliscus nebulosus Greville, 1863 (uncertain > unassessed)
  » Species Pseudauliscus notatus (Greville) Rattray, 1888 accepted as Auliscus notatus Greville, 1865 (uncertain > unassessed)
  » Species Pseudauliscus oculatus (Greville) P.A. Sims, 2001 (uncertain > unassessed)
  » Species Pseudauliscus oculatus Grove Collection (uncertain > unassessed)
  » Species Pseudauliscus ornatus (Greville) Rattray, 1888 accepted as Auliscus ornatus Greville, 1864 (uncertain > unassessed)
  » Species Pseudauliscus petitii Leuduger-Fortmorel, 1879 (uncertain > unassessed)
  » Species Pseudauliscus pulvinatus (Cleve) Rattray, 1888 accepted as Auliscus pulvinatus f. pulvinatus Cleve, 1885 (uncertain > unassessed)
  » Species Pseudauliscus radiatus (Bailey) Rattray, 1888 accepted as Auliscus radiatus J.W.Bailey, 1854 (uncertain > unassessed)
  » Species Pseudauliscus radiatus (J.W.Bailey) A.Schmidt, 1875 (uncertain > unassessed)
  » Species Pseudauliscus ralfsianus (Greville) Hanna & Brigger, 1964 (uncertain > unassessed)
  » Species Pseudauliscus ralfsianus (Greville) Rattray, 1888 (uncertain > unassessed)
  » Species Pseudauliscus ralfsianus (Greville) Rattray, 1888 accepted as Auliscus ralfsianus Greville, 1863 (uncertain > unassessed)
  » Species Pseudauliscus rattrayi Pantocsek, 1889 (uncertain > unassessed)
  » Species Pseudauliscus rotatus Rattray, 1888 (uncertain > unassessed)
  » Species Pseudauliscus schmidtii (uncertain > unassessed)
  » Species Pseudauliscus schmidtii (uncertain > unassessed)
    » Variety Pseudauliscus schmidtii var. schmidtii Pantocsek, 1889 (uncertain > unassessed)
    » Variety Pseudauliscus schmidtii var. tetrameri Forti in Tempére & Peragallo, 1914 (uncertain > unassessed)
    » Variety Pseudauliscus schmidtii var. tetrameri Forti ex Laporte & Lefébure, 1930 (uncertain > unassessed)
  » Species Pseudauliscus spinosus (Christian in Schmidt et al.) Rattray, 1888 accepted as Auliscus spinosus Christian, 1887 (uncertain > unassessed)
  » Species Pseudauliscus tetraophthalmus Cleve ex Rattray, 1888 (uncertain > unassessed)
  » Species Pseudauliscus trigemmis (uncertain > unassessed)
  » Species Pseudauliscus triloculatus (Greville) F.W. Mills, 1934 (uncertain > unassessed)
  » Species Pseudauliscus trilunaris (Brun in Brun & Tempère) De Toni, 1894 accepted as Auliscus trilunaris Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  » Species Pseudauliscus udiensis Debes ex Hustedt in Schmidt et al., 1940 (uncertain > unassessed)
  » Species Pseudauliscus umbilicatus Barker & Meakin, 1943 (uncertain > unassessed)
Genus Pseudictyota P.A.Sims & D.M.Williams in Sims et al., 2018
Genus Ralfsiella P.A. Sims, D. M. Williams & Ashworth, 2018
Genus Sheshukovia Z.I.Glezer, 1975 †
  » Species Sheshukovia atemariensis Nikitina & Strelnikova in Strelnikova & Nikitina, 2018 †
  » Species Sheshukovia cellulosa
  » Species Sheshukovia subundosa (Hustedt) Z.I.Gleser, 1984 †
  » Species Sheshukovia lahusenii (J.Pantocsek) S.I.Gleser, 1984 † accepted as Entogoniopsis lahusenii (J.Pantocsek) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  » Species Sheshukovia lahusenii (Pantocsek) Gleser, 1975 † accepted as Entogoniopsis lahusenii (J.Pantocsek) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 † (Nom. invalid. Effectively transferred to Sheshukovia in Gleser (1984))
  » Species Sheshukovia oamaruensis (E.Grove & G.Sturt) S.I.Gleser, 1984 † accepted as Entogoniopsis oamaruense (E.Grove & G.Sturt) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  » Species Sheshukovia obesa (Greville) S.I.Gleser, 1984 † accepted as Trilamina obesa (R.K.Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  » Species Sheshukovia polycystinora (Pantocsek) Gleser, 1984 † accepted as Entogoniopsis polycistinora (Pantocsek ex Tempère) N.I.Strelnikova, P.A.Sims, J.Witkowski & D.M.Williams, 2015 †
  » Species Sheshukovia subundosa (Hustedt, 1930) Nikitina in Strelnikova & Nikitina, 2018 † accepted as Sheshukovia subundosa (Hustedt) Z.I.Gleser, 1984 † (Later homonym)
  » Species Sheshukovia abyssora (Grunow) Gleser, 1984 accepted as Triceratium abyssorum var. abyssorum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Sheshukovia abyssorum (Grunow) Z.I.Glezer † accepted as Triceratium abyssorum var. abyssorum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Sheshukovia admirabilis (Debes) Gleser, 1984 accepted as Triceratium admirabile Debes ex Hustedt in Schmidt et al., 1930 (uncertain > unassessed)
  » Species Sheshukovia alisa Olshtynskaja, 1978 (uncertain > unassessed)
  » Species Sheshukovia ampliangula Olshtynskaja, 1978 (uncertain > unassessed)
  » Species Sheshukovia archangelskiana (Witt) Gleser, 1984 accepted as Triceratium archangelskianum var. archangelskianum Witt, 1885 (uncertain > unassessed)
  » Species Sheshukovia archangelskiana (Witt) Gleser, 1975 (uncertain > unassessed)
  » Species Sheshukovia areolata (Greville) Gleser, 1984 accepted as Triceratium areolatum f. areolatum Greville, 1861 (uncertain > unassessed)
  » Species Sheshukovia castellata (West) Gleser, 1984 accepted as Triceratium castellatum var. castellatum West, 1860 (uncertain > unassessed)
  » Species Sheshukovia condecora (Brightwell) Gleser, 1984 (uncertain > unassessed)
  » Species Sheshukovia crenulata (Grove & Sturt) Gleser, 1984 accepted as Triceratium crenulatum f. crenulatum Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Sheshukovia cucculata (Pantocsek) Gleser, 1984 (uncertain > unassessed)
  » Species Sheshukovia duplicata (A. Schmidt) Gleser, 1984 † accepted as Triceratium duplicatum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
  » Species Sheshukovia excavata (Heiberg) V.A. Nikolaev & D.M. Harwood in Nikolaev, V.A., Kociolek, J.P., Fourtanier, E., Barron, J.A. & Harwood, D.M., 2001 accepted as Trinacria excavata f. excavata Heiberg, 1863 (uncertain > unassessed)
  » Species Sheshukovia exornata (Greville) Gleser, 1984 accepted as Triceratium exornatum var. exornatum Greville, 1856 (uncertain > unassessed)
  » Species Sheshukovia fenestrata (Witt) Gleser, 1984 † accepted as Triceratium fenestratum Witt, 1885 (uncertain > unassessed)
  » Species Sheshukovia flos (Ehrenberg) Gleser, 1984 accepted as Triceratium flos var. flos Ehrenberg, 1855 (uncertain > unassessed)
  » Species Sheshukovia flos (Ehrenberg) Fenner, 1994 accepted as Triceratium flos var. flos Ehrenberg, 1855 (uncertain > unassessed)
  » Species Sheshukovia kakertensis Dolmatova in Dolmatova, Kuklina & Oreshkina, 1984 (uncertain > unassessed)
  » Species Sheshukovia kennettii (Hajos & Stradner) Gleser, 1984 (uncertain > unassessed)
  » Species Sheshukovia kinkeriana (Witt) Gleser, 1984 (uncertain > unassessed)
  » Species Sheshukovia kolbei (Hustedt) Gleser, 1984 accepted as Triceratium kolbei var. kolbei Hustedt in Schmidt et al., 1930 (uncertain > unassessed)
    » Variety Sheshukovia kolbei var. uralense (Jouse) Gleser, 1975 (uncertain > unassessed)
  » Species Sheshukovia mamilliana (Debes) Gleser, 1984 (uncertain > unassessed)
  » Species Sheshukovia mereskovskii (Pantocsek) Gleser, 1984 accepted as Triceratium mereskovskii Pantocsek, 1889 (uncertain > unassessed)
  » Species Sheshukovia mirabile (Jouse) Fenner, 1994 (uncertain > unassessed)
  » Species Sheshukovia mirabilis (Jouse) Gleser, 1984 accepted as Triceratium mirabile Jouse in Proschkina-Lavrenko, 1949 (uncertain > unassessed)
  » Species Sheshukovia morlandii (Grove & Sturt) Gleser, 1984 accepted as Triceratium morlandii var. morlandii Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Sheshukovia officiosa (Hustedt) Gleser, 1984 accepted as Triceratium officiosum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  » Species Sheshukovia orbiculata (Shibkova) Gleser, 1984 accepted as Triceratium orbiculatum Schibkova in Krotov & Schibkova, 1959 (uncertain > unassessed)
  » Species Sheshukovia plana (Strelnikova) Gleser, 1984 accepted as Triceratium planum Strelnikova, 1974 (uncertain > unassessed)
  » Species Sheshukovia praetenue (Greville) Gleser, 1984 accepted as Triceratium praetenue R.K.Greville, 1864 † (uncertain > unassessed)
  » Species Sheshukovia pulchra (Hustedt) Gleser, 1984 accepted as Triceratium pulchrum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  » Species Sheshukovia simbirskiana (Pantocsek) Gleser, 1975 (uncertain > unassessed)
  » Species Sheshukovia sparsimpunctata (Jouse) Gleser, 1984 (uncertain > unassessed)
  » Species Sheshukovia sparsipunctata (Hustedt) Gleser, 1984 accepted as Triceratium sparsipunctatum Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  » Species Sheshukovia sundbyense (Hustedt) Fenner, 1994 accepted as Triceratium sundbyense Hustedt ex R.Simonsen, 1987 † (uncertain > unassessed)
  » Species Sheshukovia sundbyensis (Hustedt ex R.Simonsen) J.Fenner, 1994 † accepted as Triceratium sundbyense Hustedt ex R.Simonsen, 1987 † (uncertain > unassessed)
  » Species Sheshukovia synica (Strelnikova) Gleser, 1984 † accepted as Triceratium synicum N.I.Strelnikova, 1965 † (uncertain > unassessed)
  » Species Sheshukovia triorbica (A. Schmidt) Gleser, 1984 accepted as Triceratium triorbicum Schmidt in Schmidt et al., 1888 (uncertain > unassessed)
  » Species Sheshukovia udiensis (Hustedt) Gleser, 1984 accepted as Triceratium udiensis Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
  » Species Sheshukovia uralensis (Strelnikova) Gleser, 1984 † accepted as Triceratium uralense N.I.Strelnikova, 1965 † (uncertain > unassessed)
  » Species Sheshukovia weissei (Grunow ex Witt) Z.I.Glezer † (uncertain > unassessed)
  » Species Sheshukovia weissii (Grunow) Gleser, 1984 accepted as Triceratium weissii Grunow in A.Schmidt, 1886 † (uncertain > unassessed)
Genus Triceratium C.G. Ehrenberg, 1839
  » Species Triceratium acutangulum Grunow
    » Variety Triceratium acutangulum var. grovei Pantocsek, 1886 (uncertain > unassessed)
  » Species Triceratium antillarum Cleve
    » Variety Triceratium antillarum var. antillarum Cleve, 1878 (uncertain > unassessed)
    » Variety Triceratium antillarum var. laetum Pantocsek, 1886 (uncertain > unassessed)
    » Variety Triceratium antillarum var. quadrigonum Cleve & Möller, 1878 (uncertain > unassessed)
  » Species Triceratium archangelskianum O.N.Witt
  » Species Triceratium areolatum Greville
    » Forma Triceratium areolatum f. minor Schmidt in Schmidt et al., 1890 (uncertain > unassessed)
    » Variety Triceratium areolatum var. venosa Grunow in Schmidt et al., 1882 (uncertain > unassessed)
  » Species Triceratium attenuatum R.K.Greville, 1864 †
    » Forma Triceratium attenuatum f. attenuatum Greville, 1864 (uncertain > unassessed)
    » Forma Triceratium attenuatum f. quadrata Brun in Brun et al., 1891 (uncertain > unassessed)
  » Species Triceratium balearicum Cleve, 1881
  » Species Triceratium cancellatum Greville
    » Variety Triceratium cancellatum var. cancellatum Greville, 1865 (uncertain > unassessed)
    » Variety Triceratium cancellatum var. major Tempère & Peragallo, 1915 (uncertain > unassessed)
    » Variety Triceratium cancellatum var. minor Walker & Chase in Chase & Walker, 1887 (uncertain > unassessed)
  » Species Triceratium castellatum T.West
    » Variety Triceratium castellatum var. castellatum West, 1860 (uncertain > unassessed)
    » Variety Triceratium castellatum var. fracta Grunow in Schmidt et al., 1891 (uncertain > unassessed)
    » Variety Triceratium castellatum var. major Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
    » Variety Triceratium castellatum var. quadrata Reinhold, 1937 (uncertain > unassessed)
  » Species Triceratium cellulosum
    » Variety Triceratium cellulosum var. californicum Long, Fuge & Smith, 1946 (uncertain > unassessed)
    » Variety Triceratium cellulosum var. cellulosum Greville, 1861 (uncertain > unassessed)
    » Variety Triceratium cellulosum var. italica Forti, 1913 (uncertain > unassessed)
    » Variety Triceratium cellulosum var. japonicum Brun in Brun & Tempère, 1889 (uncertain > unassessed)
    » Variety Triceratium cellulosum var. majus Walker & Chase in Chase & Walker, 1887 (uncertain > unassessed)
    » Variety Triceratium cellulosum var. simbirskiana Witt, 1885 (uncertain > unassessed)
  » Species Triceratium cinnamomeum Greville
    » Variety Triceratium cinnamomeum var. cinnamomeum Greville, 1863 (uncertain > unassessed)
    » Variety Triceratium cinnamomeum var. minor (Grunow in Van Heurck) Hasle, 1960 (uncertain > unassessed)
  » Species Triceratium circulare A.M.Edwards
    » Forma Triceratium circulare f. 4-appendiculata Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Forma Triceratium circulare f. circulare Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Triceratium columbi O.N.Witt
    » Variety Triceratium columbi var. columbi Witt in Schmidt et al., 1886 (uncertain > unassessed)
    » Variety Triceratium columbi var. quadrata Reinhold, 1937 (uncertain > unassessed)
  » Species Triceratium conciliatum Pantocsek
    » Variety Triceratium conciliatum var. conciliatum Pantocsek, 1889 (uncertain > unassessed)
    » Variety Triceratium conciliatum var. validior Pantocsek, 1889 (uncertain > unassessed)
  » Species Triceratium condecorum Ehrenberg
    » Variety Triceratium condecorum var. condecorum Ehrenberg, 1844 (1845) (uncertain > unassessed)
    » Variety Triceratium condecorum var. neogradense Grunow ex Pantocsek, 1886 (uncertain > unassessed)
  » Species Triceratium contortum Shadbolt, 1854
    » Forma Triceratium contortum f. contortum Shadbolt, 1854 (uncertain > unassessed)
    » Forma Triceratium contortum f. tetragona A.W.F.Schmidt (uncertain > unassessed)
  » Species Triceratium coscinoides E.Grove & G.Sturt
    » Variety Triceratium coscinoides var. coscinoides Grove & Sturt, 1886 (uncertain > unassessed)
    » Variety Triceratium coscinoides var. quadrata Grove & Sturt, 1887 (uncertain > unassessed)
    » Variety Triceratium coscinoides var. quadrata Tempère & Peragallo, 1915 (uncertain > unassessed)
  » Species Triceratium crenulatum E.Grove & G.Sturt
    » Forma Triceratium crenulatum f. crenulatum Grove & Sturt, 1887 (uncertain > unassessed)
    » Forma Triceratium crenulatum f. gibbosa Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Triceratium cucullatum Pantocsek
    » Variety Triceratium cucullatum var. cucullatum Pantocsek, 1889 (uncertain > unassessed)
    » Variety Triceratium cucullatum var. disseminatopunctata Pantocsek, 1889 (uncertain > unassessed)
    » Variety Triceratium cucullatum var. latior Pantocsek, 1889 (uncertain > unassessed)
    » Variety Triceratium cucullatum var. validior Pantocsek, 1892 (uncertain > unassessed)
  » Species Triceratium curvilimbum J.-J.Brun
    » Variety Triceratium curvilimbum var. curvilimbum Brun in Brun & Tempère, 1889 (uncertain > unassessed)
    » Variety Triceratium curvilimbum var. decorata Brun, 1896 (uncertain > unassessed)
  » Species Triceratium distinctum C.Janisch
  » Species Triceratium dobreeanum G.Norman ex Greville, 1865
  » Species Triceratium dulce Greville
    » Variety Triceratium dulce var. dulce Greville, 1866 (uncertain > unassessed)
    » Variety Triceratium dulce var. japonica Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  » Species Triceratium elegans (Greville) Grunow
    » Forma Triceratium elegans f. major Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Forma Triceratium elegans f. pusilla Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium elegans var. japonica Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  » Species Triceratium eulensteinii Grunow
  » Species Triceratium exornatum Greville
    » Variety Triceratium exornatum var. ananinense Pantocsek, 1889 (uncertain > unassessed)
    » Variety Triceratium exornatum var. exornatum Greville, 1856 (uncertain > unassessed)
    » Variety Triceratium exornatum var. gigantea Forti, 1913 (uncertain > unassessed)
    » Variety Triceratium exornatum var. robusta Witt in Schmidt et al., 1886 (uncertain > unassessed)
    » Variety Triceratium exornatum var. simbirskiana Pantocsek, 1889 (uncertain > unassessed)
  » Species Triceratium favus Ehrenberg, 1839
    » Forma Triceratium favus f. biangulata M. Peragallo, 1903 (uncertain > unassessed)
    » Forma Triceratium favus f. favus Ehrenberg, 1840 (uncertain > unassessed)
    » Forma Triceratium favus f. hexagona Truan y Luard & Witt, 1888 (uncertain > unassessed)
    » Forma Triceratium favus f. octogona Desikachary & Prema in Desikachary, 1989 (uncertain > unassessed)
    » Forma Triceratium favus f. parvum Woodhead & Tweed, 1960 (uncertain > unassessed)
    » Forma Triceratium favus f. pentagona Grove & Sturt, 1887 (uncertain > unassessed)
    » Forma Triceratium favus f. pentagona Truan y Luard & Witt, 1888 (uncertain > unassessed)
    » Forma Triceratium favus f. quadrata (Grunow) Hustedt, 1930 accepted as Triceratium favus var. quadrata Grunow, 1885 (uncertain > unassessed)
    » Forma Triceratium favus f. septangulatus (Kitton) accepted as Triceratium favus var. septangulatum Kitton, 1874 (uncertain > unassessed)
    » Forma Triceratium favus f. typica Cleve-Euler, 1951 (uncertain > unassessed)
    » Variety Triceratium favus var. beta Brightwell, 1856 (uncertain > unassessed)
    » Variety Triceratium favus var. heptagona Grunow in Schmidt et al., 1886 (uncertain > unassessed)
    » Variety Triceratium favus var. lateareolata Castracane, 1886 (uncertain > unassessed)
    » Variety Triceratium favus var. maxima Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium favus var. pacifica Castracane, 1886 (uncertain > unassessed)
    » Variety Triceratium favus var. pentagona Tempère & Peragallo, 1909 (uncertain > unassessed)
    » Variety Triceratium favus var. planum Ehrenberg, 1845 (uncertain > unassessed)
    » Variety Triceratium favus var. quadrangulum H.L. Smith (uncertain > unassessed)
    » Variety Triceratium favus var. quadrata Grunow, 1885 (uncertain > unassessed)
    » Variety Triceratium favus var. septangulatum Kitton, 1874 (uncertain > unassessed)
    » Variety Triceratium favus var. spinigera Cleve, 1873 (uncertain > unassessed)
    » Variety Triceratium favus var. subconvexa Schmidt in Schmidt et al., 1885 (uncertain > unassessed)
    » Variety Triceratium favus var. turgidum Ehrenberg, 1856 (uncertain > unassessed)
    » Variety Triceratium favus var. ventricosa Kützing, 1849 (uncertain > unassessed)
    » Variety Triceratium favus var. ventricosum Ehrenberg, 1845 (uncertain > unassessed)
  » Species Triceratium flos Ehrenberg
    » Variety Triceratium flos var. ahusiensis Cleve-Euler in Cleve-Euler & Hessland, 1948 (uncertain > unassessed)
    » Variety Triceratium flos var. duplicatum (Schmidt in Schmidt et al.) Cleve-Euler, 1951 accepted as Triceratium duplicatum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
    » Variety Triceratium flos var. flos Ehrenberg, 1855 (uncertain > unassessed)
    » Variety Triceratium flos var. genuinum Cleve-Euler, 1951 (uncertain > unassessed)
    » Variety Triceratium flos var. hebetata (Grunow) F.W. Mills, 1935 accepted as Biddulphia flos var. hebetata Grunow, 1884 (uncertain > unassessed)
    » Variety Triceratium flos var. intermedia Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
    » Variety Triceratium flos var. intermedia Forti, 1913 (uncertain > unassessed)
    » Variety Triceratium flos var. italica Forti, 1913 (uncertain > unassessed)
  » Species Triceratium gemmatum A.P.Jousé, 1951 †
  » Species Triceratium gibbosum Harvey & Bailey, 1854
    » Forma Triceratium gibbosum f. 7-oculata Grunow in Schmidt et al., 1882 (uncertain > unassessed)
    » Forma Triceratium gibbosum f. gibbosum Harvey & J.W. Bailey, 1853 (1854) (uncertain > unassessed)
    » Variety Triceratium gibbosum var. crenulata Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium gibbosum var. elongata Grunow in Schmidt et al., 1882 (uncertain > unassessed)
    » Variety Triceratium gibbosum var. excisa Grunow in Schmidt et al., 1882 (uncertain > unassessed)
  » Species Triceratium giganteum Greville
    » Forma Triceratium giganteum f. giganteum Greville, 1861 (uncertain > unassessed)
    » Forma Triceratium giganteum f. minor Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
    » Variety Triceratium giganteum var. minor (Schmidt in Schmidt et al.) Tempère & Peragallo, 1912 (uncertain > unassessed)
  » Species Triceratium godeffroyi Grunow
    » Forma Triceratium godeffroyi f. godeffroyi Grunow in Schmidt et al., 1882 (uncertain > unassessed)
    » Forma Triceratium godeffroyi f. pentagona De Toni, 1894 (uncertain > unassessed)
  » Species Triceratium grande T.Brightwell
    » Forma Triceratium grande f. grande Brightwell, 1853 (uncertain > unassessed)
    » Forma Triceratium grande f. pentagona Pantocsek, 1886 (uncertain > unassessed)
    » Forma Triceratium grande f. quadrangularis (Forti) (uncertain > unassessed)
    » Forma Triceratium grande f. quadrata Forti, 1912 (uncertain > unassessed)
    » Variety Triceratium grande var. angulata Kitton in Schmidt et al., 1891 (uncertain > unassessed)
    » Variety Triceratium grande var. grande Forti, 1912 (uncertain > unassessed)
    » Variety Triceratium grande var. pentagona Grunow in Schmidt et al., 1885 (uncertain > unassessed)
    » Variety Triceratium grande var. quadrangularis Forti in Tempère & Peragallo, 1910 (uncertain > unassessed)
    » Variety Triceratium grande var. quadrangulata Tempère & Peragallo, 1909 (uncertain > unassessed)
    » Variety Triceratium grande var. quadrata Tempère & Peragallo, 1912 (uncertain > unassessed)
    » Variety Triceratium grande var. septangulata (Kitton) Schmidt in Schmidt et al., 1885 accepted as Triceratium favus var. septangulatum Kitton, 1874 (uncertain > unassessed)
  » Species Triceratium grovei
    » Variety Triceratium grovei var. boryana Pantocsek, 1892 (uncertain > unassessed)
    » Variety Triceratium grovei var. grovei Pantocsek, 1886 (uncertain > unassessed)
  » Species Triceratium guttatum Cleve
    » Variety Triceratium guttatum var. guttatum Cleve ex Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
    » Variety Triceratium guttatum var. minor Azpeitia, 1911 (uncertain > unassessed)
  » Species Triceratium hardmanianum Greville
    » Variety Triceratium hardmanianum var. hardmanianum Greville, 1865 (uncertain > unassessed)
  » Species Triceratium hardmannianum †
    » Variety Triceratium hardmannianum var. solida Tempère & Peragallo, 1912 (uncertain > unassessed)
  » Species Triceratium harrisonianum G.Norman & Greville
  » Species Triceratium heibergii Grunow
    » Variety Triceratium heibergii var. genuinum Cleve-Euler, 1951 (uncertain > unassessed)
    » Variety Triceratium heibergii var. heibergii Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium heibergii var. rostratum Jousé, 1951 (uncertain > unassessed)
    » Variety Triceratium heibergii var. subconvexa Cleve-Euler in Cleve-Euler & Hessland, 1948 (uncertain > unassessed)
  » Species Triceratium horridum Pantocsek
    » Forma Triceratium horridum f. quadrigona Pantocsek, 1889 (uncertain > unassessed)
    » Forma Triceratium horridum f. tetragona Pantocsek, 1889 (uncertain > unassessed)
  » Species Triceratium hybridum
    » Variety Triceratium hybridum var. australis Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
    » Variety Triceratium hybridum var. hybridum Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
    » Variety Triceratium hybridum var. kamtschatica Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
    » Variety Triceratium hybridum var. perforata M. Peragallo, 1921 (uncertain > unassessed)
  » Species Triceratium incisum A.W.F.Schmidt
    » Variety Triceratium incisum var. incisum Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
    » Variety Triceratium incisum var. punctatum (uncertain > unassessed)
  » Species Triceratium inelegans Greville
    » Variety Triceratium inelegans var. araepora Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium inelegans var. inelegans Greville, 1866 (uncertain > unassessed)
    » Variety Triceratium inelegans var. Jucatensis Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium inelegans var. jucatensis (Grunow in Schmidt et al.) Grunow in Van Heurck, 1883 accepted as Triceratium jucatense Grunow in Schmidt et al., 1882 (uncertain > unassessed)
    » Variety Triceratium inelegans var. micropora Grunow in A. Schmidt, 1888 (uncertain > unassessed)
    » Variety Triceratium inelegans var. nicobarica Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium inelegans var. tubulosa Brun, 1896 (uncertain > unassessed)
  » Species Triceratium inornatum Greville
    » Variety Triceratium inornatum var. inornatum Greville, 1862 (uncertain > unassessed)
    » Variety Triceratium inornatum var. subradiatum Grunow in Cleve & Möller, 1879 (uncertain > unassessed)
  » Species Triceratium insigne
    » Forma Triceratium insigne f. insignis Greville, 1861 (uncertain > unassessed)
    » Forma Triceratium insigne f. minor Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
    » Variety Triceratium insigne var. minor (Schmidt in Schmidt et al.) Tempère & Peragallo, 1912 (uncertain > unassessed)
  » Species Triceratium insuave A.Truan y Luard & O.N.Witt
    » Forma Triceratium insuave f. insuave Truan y Luard & Witt, 1888 (uncertain > unassessed)
    » Forma Triceratium insuave f. tetragona Truan y & Witt, 1888 (uncertain > unassessed)
    » Forma Triceratium insuave f. trigona Truan y Luard & Witt, 1888 (uncertain > unassessed)
  » Species Triceratium interjectum A.W.F.Schmidt
    » Forma Triceratium interjectum f. interjectum Schmidt in Schmidt et al., 1891 (uncertain > unassessed)
    » Forma Triceratium interjectum f. quadrata Tempère & Peragallo, 1912 (uncertain > unassessed)
    » Variety Triceratium interjectum var. quadrata (uncertain > unassessed)
    » Variety Triceratium interjectum var. quadrata Tempère & Peragallo, 1915 (uncertain > unassessed)
  » Species Triceratium kainii E.A.Schultze
  » Species Triceratium kolbei F.Hustedt
    » Variety Triceratium kolbei var. kolbei Hustedt in Schmidt et al., 1930 (uncertain > unassessed)
    » Variety Triceratium kolbei var. uralense A.P.Jousé, 1951 (uncertain > unassessed)
  » Species Triceratium laeve
    » Variety Triceratium laeve var. annulifera Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium laeve var. laeve Cleve, 1881 (uncertain > unassessed)
  » Species Triceratium latum Greville
    » Variety Triceratium latum var. dissimile Grunow in Schmidt et al., 1885 (uncertain > unassessed)
    » Variety Triceratium latum var. dissimilis (Grunow) Forti, 1913 accepted as Triceratium dissimile Grunow in Schmidt et al., 1885 (uncertain > unassessed)
    » Variety Triceratium latum var. inglorium (Greville) Forti, 1913 accepted as Triceratium inglorium Greville, 1865 (uncertain > unassessed)
    » Variety Triceratium latum var. latum Greville, 1865 (uncertain > unassessed)
    » Variety Triceratium latum var. plana M. Peragallo in Tempère & Peragallo, 1908 (uncertain > unassessed)
  » Species Triceratium lineatum Greville
    » Forma Triceratium lineatum f. biangulata Laporte & Lefebure, 1930 (uncertain > unassessed)
    » Forma Triceratium lineatum f. lineatum Greville, 1863 (uncertain > unassessed)
    » Variety Triceratium lineatum var. biangulata Tempère & Peragallo, 1915 (uncertain > unassessed)
  » Species Triceratium mammiferum Grunow
    » Forma Triceratium mammiferum f. mammiferum Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Forma Triceratium mammiferum f. minor Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Triceratium megastomum Ehrenberg
    » Forma Triceratium megastomum f. megastomum Ehrenberg, 1845 (uncertain > unassessed)
    » Forma Triceratium megastomum f. quadrata (Grunow) A.Amossé (uncertain > unassessed)
    » Forma Triceratium megastomum f. quadrata Meister, 1932 (uncertain > unassessed)
  » Species Triceratium microstigma Ehrenberg
    » Variety Triceratium microstigma var. microstigma Ehrenberg, 1875 (uncertain > unassessed)
    » Variety Triceratium microstigma var. quadriocellata (Pantocsek; Pantocsek) (uncertain > unassessed)
  » Species Triceratium montereyii T.Brightwell, 1853 †
    » Variety Triceratium montereyii var. primordialis Brun in Schmidt et al., 1891 (uncertain > unassessed)
  » Species Triceratium moronense Greville
    » Variety Triceratium moronense var. moronense Greville, 1865 (uncertain > unassessed)
    » Variety Triceratium moronense var. nicobarica Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium moronense var. nicobaricum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Triceratium multifrons J.-J.Brun
    » Forma Triceratium multifrons f. constricta Schultze ex Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
    » Forma Triceratium multifrons f. multifrons Brun in Brun & Tempère, 1889 (uncertain > unassessed)
    » Forma Triceratium multifrons f. stricta Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
    » Variety Triceratium multifrons var. constricta (uncertain > unassessed)
    » Variety Triceratium multifrons var. stricta (Hustedt in Schmidt et al.) (uncertain > unassessed)
  » Species Triceratium multiplex C.Janisch
    » Forma Triceratium multiplex f. minor Schmidt in Schmidt et al., 1885 (uncertain > unassessed)
    » Forma Triceratium multiplex f. multiplex Janisch in Schmidt et al., 1882 (uncertain > unassessed)
  » Species Triceratium muricatum Brightwell, 1853
    » Variety Triceratium muricatum var. fossilis Grunow ex Pantocsek, 1886 (uncertain > unassessed)
    » Variety Triceratium muricatum var. muricatum Brightwell, 1853 (uncertain > unassessed)
    » Variety Triceratium muricatum var. nudum Pantocsek, 1886 (uncertain > unassessed)
  » Species Triceratium nancoorense Grunow
    » Variety Triceratium nancoorense var. acutangulum Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium nancoorense var. italica Forti in Tempère & Peragallo, 1909 (uncertain > unassessed)
    » Variety Triceratium nancoorense var. nancoorense Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Triceratium normanianum Greville
    » Variety Triceratium normanianum var. normanianum Greville, 1863 (uncertain > unassessed)
    » Variety Triceratium normanianum var. sextans Brun, 1896 (uncertain > unassessed)
  » Species Triceratium oculatum Greville
    » Forma Triceratium oculatum f. hillabyana Brun, 1896 (uncertain > unassessed)
    » Forma Triceratium oculatum f. oculatum Greville, 1864 (uncertain > unassessed)
  » Species Triceratium ornatum Greville
    » Forma Triceratium ornatum f. ornatum (Shadbolt) Greville, 1861 (uncertain > unassessed)
    » Forma Triceratium ornatum f. tetragona (uncertain > unassessed)
      » Subforma Triceratium ornatum f. tetragona parva Grunow in Schmidt et al., 1886 (uncertain > unassessed)
    » Variety Triceratium ornatum var. fallaciosum Grunow, 1889 (uncertain > unassessed)
  » Species Triceratium pantocsekii
    » Forma Triceratium pantocsekii f. convexa Pantocsek, 1886 (uncertain > unassessed)
    » Forma Triceratium pantocsekii f. genuina Pantocsek, 1886 (uncertain > unassessed)
    » Forma Triceratium pantocsekii f. hexagona Pantocsek, 1886 (uncertain > unassessed)
    » Forma Triceratium pantocsekii f. pantocsekii Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
    » Forma Triceratium pantocsekii f. pentagona Pantocsek, 1886 (uncertain > unassessed)
    » Variety Triceratium pantocsekii var. convexa Tempère & Peragallo, 1915 (uncertain > unassessed)
    » Variety Triceratium pantocsekii var. hexagona Laporte & Lefébure, 1929 accepted as Triceratium pantocsekii f. hexagona Pantocsek, 1886 (uncertain > unassessed)
    » Variety Triceratium pantocsekii var. pentagona (Pantocsek) Tempère & Peragallo, 1915 (uncertain > unassessed)
    » Variety Triceratium pantocsekii var. rectangularis Forti, 1912 (uncertain > unassessed)
  » Species Triceratium papillatum E.Grove & G.Sturt
    » Variety Triceratium papillatum var. acuta Tempère & Peragallo, 1910 (uncertain > unassessed)
    » Variety Triceratium papillatum var. papillatum Grove & Sturt, 1887 (uncertain > unassessed)
  » Species Triceratium parallelum (Ehrenb.) Grev., 1865
    » Forma Triceratium parallelum f. parallelum (Ehrenberg) Greville, 1865 accepted as Amphitetras parallela Ehrenberg, 1840 (uncertain > unassessed)
    » Forma Triceratium parallelum f. parva Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Forma Triceratium parallelum f. trigona Schmidt in Schmidt et al., 1882 (uncertain > unassessed)
    » Forma Triceratium parallelum f. trigona Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium parallelum var. balearica Grunow in Schmidt et al., 1885 (uncertain > unassessed)
    » Variety Triceratium parallelum var. coloniensis Grunow in Schmidt et al., 1885 (uncertain > unassessed)
    » Variety Triceratium parallelum var. genuinum Cleve-Euler, 1951 (uncertain > unassessed)
    » Variety Triceratium parallelum var. gibbosa (E.Grove & G.Sturt) E.Grove & G.Sturt (uncertain > unassessed)
    » Variety Triceratium parallelum var. madagascarensis Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium parallelum var. sparsa Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium parallelum var. suecicum (Cleve-Euler) Cleve-Euler, 1951 accepted as Pseudostictodiscus parallelus var. suecica Cleve-Euler, 1941 (uncertain > unassessed)
    » Variety Triceratium parallelum var. trigona Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium parallelum var. trigona-parva A. Schmidt, 1882 (uncertain > unassessed)
  » Species Triceratium pentacrinus (Ehrenberg) Wallich, 1858
    » Forma Triceratium pentacrinus f. minor A. Schmidt, 1886 (uncertain > unassessed)
    » Forma Triceratium pentacrinus f. pentacrinus (Ehrenberg) Wallich, 1858 accepted as Amphipentas pentacrinus Ehrenberg, 1841 † (uncertain > unassessed)
    » Forma Triceratium pentacrinus f. quadrata Forti in Tempère & Peragallo, 1909 (uncertain > unassessed)
    » Forma Triceratium pentacrinus f. quadrata Hustedt, 1930 (uncertain > unassessed)
    » Variety Triceratium pentacrinus var. 4-gona Wallich, 1858 (uncertain > unassessed)
    » Variety Triceratium pentacrinus var. hirsutus (Castracane) M. Peragallo, 1903 (uncertain > unassessed)
    » Variety Triceratium pentacrinus var. quadrata Forti, 1910 (uncertain > unassessed)
    » Variety Triceratium pentacrinus var. quadrata Tempère & Peragallo, 1908 (uncertain > unassessed)
  » Species Triceratium peragalli
    » Variety Triceratium peragalli var. subrotunda Brun in Schmidt et al., 1891 (uncertain > unassessed)
  » Species Triceratium pileolus Ehrenberg
    » Variety Triceratium pileolus var. minuta Hustedt in Schmidt et al., 1930 (uncertain > unassessed)
    » Variety Triceratium pileolus var. pileolus Ehrenberg, 1844 (uncertain > unassessed)
  » Species Triceratium pileus Ehrenberg
    » Forma Triceratium pileus f. quadrigona Pantocsek, 1908 (uncertain > unassessed)
    » Forma Triceratium pileus f. robustior Pantocsek, 1892 (uncertain > unassessed)
    » Variety Triceratium pileus var. pileus Ehrenberg, 1840 (uncertain > unassessed)
  » Species Triceratium plicatum Grunow
    » Variety Triceratium plicatum var. obtusa Brun, 1896 (uncertain > unassessed)
    » Variety Triceratium plicatum var. plicatum Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Triceratium praetenue R.K.Greville, 1864 †
  » Species Triceratium punctatum Brightwell, 1856
    » Forma Triceratium punctatum f. hexagona Grunow in Schmidt et al., 1885 (uncertain > unassessed)
    » Forma Triceratium punctatum f. pentagona Grunow in A. Schmidt, 1885 (uncertain > unassessed)
    » Forma Triceratium punctatum f. punctatum Brightwell, 1856 (uncertain > unassessed)
    » Forma Triceratium punctatum f. tetragona Heiden & Kolbe, 1928 (uncertain > unassessed)
    » Forma Triceratium punctatum f. tetragona Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
    » Forma Triceratium punctatum f. tetragona Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Forma Triceratium punctatum f. trigona Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium punctatum var. pentagona Tempère & Peragallo, 1915 (uncertain > unassessed)
    » Variety Triceratium punctatum var. quadragona Tempère & Peragallo, 1908 (uncertain > unassessed)
  » Species Triceratium radians J.A.Tempère & J.-J.Brun
    » Forma Triceratium radians f. quadrata Brun in Schmidt et al., 1891 (uncertain > unassessed)
    » Forma Triceratium radians f. radians Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed)
    » Variety Triceratium radians var. italica Forti, 1912 (uncertain > unassessed)
    » Variety Triceratium radians var. quadrata Tempère & Peragallo, 1915 (uncertain > unassessed)
  » Species Triceratium radiatum T.Brightwell
    » Variety Triceratium radiatum var. minor Schmidt in Schmidt et al., 1890 (uncertain > unassessed)
    » Variety Triceratium radiatum var. radiatum Brightwell, 1856 (uncertain > unassessed)
  » Species Triceratium radio-punctatum
    » Forma Triceratium radio-punctatum f. minor Pantocsek, 1886 (uncertain > unassessed)
  » Species Triceratium repletum Greville
    » Forma Triceratium repletum f. balearicum Kisselev, 1931 (uncertain > unassessed)
    » Forma Triceratium repletum f. repletum Greville, 1866 (uncertain > unassessed)
    » Variety Triceratium repletum var. balearica Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Triceratium reticulum Ehrenberg, 1844
    » Forma Triceratium reticulum f. hexagonale Ricard, 1975 (uncertain > unassessed)
    » Forma Triceratium reticulum f. pentagona Cleve-Euler, 1951 (uncertain > unassessed)
    » Forma Triceratium reticulum f. pentagona Hustedt, 1930 (uncertain > unassessed)
    » Forma Triceratium reticulum f. quadrangularis Hustedt, 1930 (uncertain > unassessed)
    » Forma Triceratium reticulum f. reticulum Ehrenberg, 1844 (uncertain > unassessed)
    » Forma Triceratium reticulum f. tetragona Cleve-Euler (uncertain > unassessed)
    » Forma Triceratium reticulum f. trigona Cleve-Euler, 1951 (uncertain > unassessed)
    » Forma Triceratium reticulum f. trigona-minuta A. Cleve-Euler (uncertain > unassessed)
  » Species Triceratium rugosum E.Grove & G.Sturt, 1887 †
  » Species Triceratium scitulum T.Brightwell
    » Forma Triceratium scitulum f. quadrangulata Tempère & Peragallo, 1909 (uncertain > unassessed)
    » Forma Triceratium scitulum f. quadrata Schmidt in Schmidt et al., 1885 (uncertain > unassessed)
    » Forma Triceratium scitulum f. scitulum Brightwell, 1853 (uncertain > unassessed)
  » Species Triceratium sendaiense A.W.F.Schmidt
    » Variety Triceratium sendaiense var. quadrata Schmidt in Schmidt et al., 1891 (uncertain > unassessed)
    » Variety Triceratium sendaiense var. sendaiense Schmidt in Schmidt et al., 1891 (uncertain > unassessed)
  » Species Triceratium sentum Witt
    » Forma Triceratium sentum f. maior Hustedt in Schmidt et al., 1959 (uncertain > unassessed)
    » Forma Triceratium sentum f. sentum Witt in Schmidt et al., 1890 (uncertain > unassessed)
  » Species Triceratium shadboldtianum
  » Species Triceratium solenoceros Ehrenberg
    » Variety Triceratium solenoceros var. minor Pantocsek, 1889 (uncertain > unassessed)
    » Variety Triceratium solenoceros var. solenoceros Ehrenberg, 1844 (1845) (uncertain > unassessed)
  » Species Triceratium suborbiculare Pantocsek
    » Variety Triceratium suborbiculare var. latilimba Forti, 1910 (uncertain > unassessed)
    » Variety Triceratium suborbiculare var. subcyclica Forti, 1910 (uncertain > unassessed)
    » Variety Triceratium suborbiculare var. suborbiculare Pantocsek, 1889 (uncertain > unassessed)
  » Species Triceratium suborbicularis
  » Species Triceratium thumii A.W.F.Schmidt
    » Variety Triceratium thumii var. quadrata Tempère & Peragallo, 1908 (uncertain > unassessed)
    » Variety Triceratium thumii var. thumii Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
  » Species Triceratium trinitas J.-J.Brun
    » Variety Triceratium trinitas var. minima Brun in Schmidt et al., 1891 (uncertain > unassessed)
    » Variety Triceratium trinitas var. stricta Hustedt in Schmidt et al., 1930 (uncertain > unassessed)
    » Variety Triceratium trinitas var. trinitas Brun in Schmidt et al., 1891 (uncertain > unassessed)
  » Species Triceratium tripecten J.-J.Brun
    » Variety Triceratium tripecten var. spathulata Brun, 1896 (uncertain > unassessed)
    » Variety Triceratium tripecten var. tripecten Brun, 1896 (uncertain > unassessed)
  » Species Triceratium tripos Cleve
    » Forma Triceratium tripos f. major Schmidt in Schmidt et al., 1885 (uncertain > unassessed)
    » Forma Triceratium tripos f. tripos Cleve, 1881 (uncertain > unassessed)
    » Variety Triceratium tripos var. microtis Pantocsek, 1886 (uncertain > unassessed)
  » Species Triceratium trisulcum Bailey
    » Variety Triceratium trisulcum var. acutiloba Forti in Tempère & Peragallo, 1909 (uncertain > unassessed)
    » Variety Triceratium trisulcum var. cuneata Grunow in A. Schmidt, 1890 (uncertain > unassessed)
    » Variety Triceratium trisulcum var. cuneata Fricke, 1902 (uncertain > unassessed)
    » Variety Triceratium trisulcum var. cuneata sensu Forti, 1910 (uncertain > unassessed)
    » Variety Triceratium trisulcum var. haytiana Truan y Luard & Witt, 1888 (uncertain > unassessed)
    » Variety Triceratium trisulcum var. hungarica Pantocsek, 1886 (uncertain > unassessed)
    » Variety Triceratium trisulcum var. minor Cleve, 1885 (uncertain > unassessed)
    » Variety Triceratium trisulcum var. miocenica Forti, 1913 (uncertain > unassessed)
    » Variety Triceratium trisulcum var. moravica Pantocsek ex Tempère & Peragallo, 1909 (uncertain > unassessed)
    » Variety Triceratium trisulcum var. producta Truan y Luard & Witt, 1888 (uncertain > unassessed)
    » Variety Triceratium trisulcum var. trisulcum J.W. Bailey ex Ralfs in Pritchard, 1861 (uncertain > unassessed)
    » Variety Triceratium trisulcum var. valida Forti, 1912 (uncertain > unassessed)
  » Species Triceratium tumidum Greville
    » Variety Triceratium tumidum var. costulata Grunow in Schmidt et al., 1882 (uncertain > unassessed)
    » Variety Triceratium tumidum var. tumidum Greville, 1863 (uncertain > unassessed)
  » Species Triceratium validum Grunow
    » Forma Triceratium validum f. italica Forti, 1912 (uncertain > unassessed)
    » Forma Triceratium validum f. validum Grunow in Schmidt et al., 1886 (uncertain > unassessed)
  » Species Triceratium variabile Brightw., 1856
  » Species Triceratium venulosum Greville
  » Species Triceratium versicolor
    » Forma Triceratium versicolor f. acutangula Schmidt in Schmidt et al., 1891 (uncertain > unassessed)
    » Forma Triceratium versicolor f. typica Brun in Schmidt et al., 1891 (uncertain > unassessed)
    » Forma Triceratium versicolor f. versicolor Brun in Schmidt et al., 1891 (uncertain > unassessed)
    » Variety Triceratium versicolor var. cuneata Brun in Schmidt et al., 1891 (uncertain > unassessed)
    » Variety Triceratium versicolor var. trigona Peragallo & Peragallo, 1911 (uncertain > unassessed)
  » Species Triceratium wittii A.W.F.Schmidt
    » Forma Triceratium wittii f. hexagona (Pantocsek) Pantocsek, 1889 accepted as Triceratium pantocsekii f. hexagona Pantocsek, 1886 (uncertain > unassessed)
    » Forma Triceratium wittii f. italica (uncertain > unassessed)
      » Subforma Triceratium wittii f. italica quadrata Forti in Tempère & Peragallo, 1912 (uncertain > unassessed)
    » Forma Triceratium wittii f. quadrata Forti, 1912 (uncertain > unassessed)
      » Subforma Triceratium wittii f. quadrata major Forti, 1913 (uncertain > unassessed)
    » Forma Triceratium wittii f. trigona Forti, 1913 (uncertain > unassessed)
    » Forma Triceratium wittii f. wittii Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
    » Variety Triceratium wittii var. hexagona Tempère & Peragallo, 1915 (uncertain > unassessed)
  » Species Triceratium zonatulatum Greville
    » Forma Triceratium zonatulatum f. trigona Schmidt in Schmidt et al., 1886 (uncertain > unassessed)
    » Forma Triceratium zonatulatum f. zonulatum Greville, 1865 (uncertain > unassessed)
  » Species Triceratium zonulatum Greville
  » Species Triceratium abyssorum Grunow † accepted as Medlinia abyssorum (Grunow) P.A.Sims, 1998 † (synonym)
    » Variety Triceratium abyssorum var. abyssorum Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium abyssorum var. saratovianum Pantocsek, 1889 (uncertain > unassessed)
  » Species Triceratium alternans Bailey, 1851 accepted as Trigonium alternans (Bailey) A.Mann, 1907 (synonym)
    » Variety Triceratium alternans var. tenuipunctata Mereschkowsky, 1902 (uncertain > unassessed)
  » Species Triceratium amblyoceros Ehrenberg accepted as Symbolophora amblyoceros (Ehrenberg) Hasle & Sims, 1986 (synonym)
    » Variety Triceratium amblyoceros var. nankoorense Grunow, 1867 (uncertain > unassessed)
  » Species Triceratium antediluvianum (Ehrenberg) Grunow, 1868 accepted as Biddulphia antediluviana (Ehrenberg) Van Heurck, 1885 (synonym)
    » Variety Triceratium antediluvianum var. temperei J.Frenguelli † accepted as Amphitetras antediluviana var. temperei (Frenguelli) Sar & Sala, 2009 † (Basionym)
    » Forma Triceratium antediluvianum f. antediluvianum (Ehrenberg) Grunow, 1867 (1870) accepted as Amphitetras antediluviana var. antediluviana Ehrenberg, 1840 (uncertain > unassessed)
    » Forma Triceratium antediluvianum f. cellulosa M. Peragallo, 1929 (uncertain > unassessed)
    » Forma Triceratium antediluvianum f. pentagona Hustedt, 1930 (uncertain > unassessed)
      » Subforma Triceratium antediluvianum f. pentagona abnormis M. Peragallo, 1929 (uncertain > unassessed)
    » Variety Triceratium antediluvianum var. minutum (Greville) M. Peragallo, 1903 accepted as Amphitetras minuta Greville, 1861 (uncertain > unassessed)
    » Variety Triceratium antediluvianum var. trigona M. Peragallo in Peragallo & Peragallo, 1911 (uncertain > unassessed)
    » Variety Triceratium antediluvianum var. typicum Cleve-Euler, 1951 (uncertain > unassessed)
  » Species Triceratium antipodum J.Pantocsek, 1892 † accepted as Entogoniopsis foveata (R.K. Greville) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  » Species Triceratium arcticum Brightwell, 1853 accepted as Trigonium arcticum (Brightwell) Cleve, 1868 (synonym)
    » Forma Triceratium arcticum f. pentagona [no author] according to Boyer (uncertain > unassessed)
    » Forma Triceratium arcticum f. quinquegona Pantocsek, 1886 (uncertain > unassessed)
    » Forma Triceratium arcticum f. quinquelobata (Greville) Grove & Sturt, 1887 (uncertain > unassessed)
    » Variety Triceratium arcticum var. antarctica Grunow (uncertain > unassessed)
    » Variety Triceratium arcticum var. charcotii M. Peragallo, 1921 (uncertain > unassessed)
    » Variety Triceratium arcticum var. hybridum Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
    » Variety Triceratium arcticum var. japonica Grunow in Schmidt et al., 1882 (uncertain > unassessed)
    » Variety Triceratium arcticum var. lucida Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed)
    » Variety Triceratium arcticum var. major M. Peragallo, 1921 (uncertain > unassessed)
    » Variety Triceratium arcticum var. mitsukeensis W.Ichikawa (uncertain > unassessed)
    » Variety Triceratium arcticum var. neapolitana Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
    » Variety Triceratium arcticum var. robusta Truan y Luard & Witt, 1888 (uncertain > unassessed)
    » Variety Triceratium arcticum var. samoensis Grunow (uncertain > unassessed)
    » Variety Triceratium arcticum var. sexangulatum ‘J. A. Schulze' Boyer (uncertain > unassessed)
    » Variety Triceratium arcticum var. spitzbergensis Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
    » Variety Triceratium arcticum var. tetragona Grunow in Cleve & Grunow, 1880 (uncertain > unassessed)
    » Variety Triceratium arcticum var. vulcanica Tempère & Brun in Brun & Tempère, 1889 (uncertain > unassessed)
  » Species Triceratium armasevskii Pantocsek, 1905 † accepted as Entogoniopsis armashevskii (J.Pantocsek) J.Witkowski, P.A.Sims, N.I.Strelnikova & D.M.Williams, 2015 †
  » Species Triceratium armatum Roper, 1854 accepted as Triceratium spinosum J.W.Bailey, 1844 (synonym)
    » Variety Triceratium armatum var. alpha Brightwell, 1856 (uncertain > unassessed)
    » Variety Triceratium armatum var. armatum Roper, 1854 (uncertain > unassessed)
    » Variety Triceratium armatum var. beta Brightwell, 1856 (uncertain > unassessed)
    » Variety Triceratium armatum var. compacta (Brightwell ex Ralfs in Pritchard) (uncertain > unassessed)
    » Variety Triceratium armatum var. delta Castracane, 1886 (uncertain > unassessed)
    » Variety Triceratium armatum var. gamma Brightwell, 1856 (uncertain > unassessed)
    » Variety Triceratium armatum var. horrida (Brightwell) (uncertain > unassessed)
  » Species Triceratium balaniferum J.Tempère & J.Brun in J.Brun & J.Tempère, 1889 † accepted as Entogoniopsis balanifera (J.Tempère & J.Brun) J. Witkowski, P.A. Sims, N.I. Strelnikova & D.M. Williams, 2015 †
  » Species Triceratium brachiatum T.Brightwell, 1856 † accepted as Fenneria brachiata (T.Brightwell) J.Witkowski, 2018 †
  » Species Triceratium brightwellii T.West, 1860 accepted as Ditylum brightwellii (T.West) Grunow, 1885
    » Variety Triceratium brightwellii var. brightwellii West, 1860 (uncertain > unassessed)
    » Variety Triceratium brightwellii var. inaequalis Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium brightwellii var. tetragona Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Variety Triceratium brightwellii var. trigona Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Triceratium cornutum R.K.Greville † accepted as Trinacria cornuta (R.K.Greville) P.A.Sims & R.Ross, 1988 †
    » Forma Triceratium cornutum f. pentagona Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Forma Triceratium cornutum f. pulchella Grunow in Van Heurck, 1883 (uncertain > unassessed)
    » Forma Triceratium cornutum f. tetragona Grunow in Van Heurck, 1883 (uncertain > unassessed)
  » Species Triceratium curvicostatum J.Brun, 1896 † accepted as