DiatomBase
Between brackets is the number of accepted extant species
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Shows the number of accepted extant species within the taxon
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- Bacillariophyceae (5 958)
- Subclass Bacillariophyceae incertae sedis (189)
- Subclass Bacillariophycidae (4 408)
- Superorder Bacillariophycanae (4 083)
- Order Achnanthales (438)
- Family Achnanthaceae Kützing, 1844 (111)
- Family Achnanthidiaceae D.G. Mann, 1990 (244)
- Genus Achnantheiopsis Lange-Bert., 1997 accepted as Planothidium F.E. Round & L. Bukhtiyarova, 1996 (1)
- Genus Achnanthidium F.T. Kützing, 1844 (57)
- Genus Crenotia Wojtal, 2013 (8)
- Genus Eucocconeis P.T. Cleve ex F. Meister, 1912 (4)
- Species Eucocconeis alpestris (Brun) Lange-Bertalot, 1999
- Species Eucocconeis americana Enache & Potapova, 2012
- Species Eucocconeis antiqua (Tempère & Brun in Brun & Tempère) Cleve, 1895 accepted as Cocconeis antiqua var. antiqua Tempère & Brun in Brun & Tempère, 1889
- Species Eucocconeis arctica (Cleve) Cleve, 1895
- Species Eucocconeis aretasii (E. Manguin) H. Lange-Bertalot in H. Lange-Bertalot & S. I. Genkal, 1999
- Species Eucocconeis austriaca (Hustedt) H. Lange-Bertalot apud H. Lange-Bertalot & S.I. Genkal in H. Lange-Bertalot (ed.), 1999 accepted as Achnanthes austriaca var. austriaca Hust., 1922
- Species Eucocconeis baikalensis Skvortzow, 1937
- Species Eucocconeis calcar Cleve, 1891 accepted as Achnanthes calcaroides Foged, 1971
- Forma Eucocconeis calcar f. baicalensis Skvortzow & Meyer, 1928
- Species Eucocconeis crucifera (Østrup) F.W. Mills, 1934
- Species Eucocconeis cyclophora (Grunow in Cleve & Möller) Cleve, 1895 accepted as Cocconeis cyclophora var. cyclophora Grunow in Cleve & Möller, 1879
- Species Eucocconeis depressa (Cleve) H. Lange-Bertalot apud H. Lange-Bertalot & S.I. Genkal in H. Lange-Bertalot, 19991
- Species Eucocconeis diluviana (Hustedt) H. Lange-Bertalot apud H. Lange-Bertalot & S.I. Genkal in Lange-Bertalot (ed.), 1999
- Species Eucocconeis dirupta (Gregory) Cleve, 1895 accepted as Cocconeis dirupta f. dirupta Gregory, 1857
- Species Eucocconeis dorogostaiskyi (Jasnitsky) Scheschukova in Proschkina-Lavrenko, 1950
- Species Eucocconeis elliptica Saveljewa-Dolgowa, 1925
- Species Eucocconeis filarszkyi Krenner, 1926
- Species Eucocconeis finmarchica (Grunow in Cleve & Grunow) Cleve, 1895 accepted as Cocconeis finnmarchica Grunow, 1880
- Species Eucocconeis flexella (Kützing) Meister, 1912 accepted as Cymbella flexella Kützing, 1844
- Species Eucocconeis heteroidea (Hantzsch) cleve, 1895 accepted as Cocconeis heteroidea var. heteroidea Hantzsch in Rabenhorst, 1863
- Species Eucocconeis hinganica Skvortzov, 1976
- Species Eucocconeis interrupta (Grunow) Cleve, 1895 accepted as Cocconeis interrupta Grunow, 1863
- Species Eucocconeis lacusbaicalensis Kulikovskiy & Lange-Bertalot in Kulikovskiy et al., 2015
- Species Eucocconeis laevis (Østrup) Lange-Bertalot, 1999
- Species Eucocconeis lapponica Hustedt, 1924
- Species Eucocconeis leptostriata Lange-Bertalot, 1999
- Species Eucocconeis letourneuri Cleve, 1895
- Species Eucocconeis lichunhaii Y.Li, 2013
- Species Eucocconeis maxima (A. Cleve) F.W. Mills accepted as Achnanthidium maximum Cleve-Euler, 1895
- Species Eucocconeis minuta (Cleve) Meister, 1912 accepted as Achnanthidium minutum Cleve, 1891
- Species Eucocconeis molesta (Kützing) Cleve, 1895 accepted as Cocconeis molesta f. molesta Kützing, 1844
- Species Eucocconeis molesta (Kützing) Meister, 1912 accepted as Cocconeis molesta f. molesta Kützing, 1844
- Species Eucocconeis ninckei (P. Guermeur & E. Manguin) H. Lange-Bertalot in H Lange-Bertalot & S.I. Genkal, 1999
- Species Eucocconeis notata (Petit) Cleve, 1895 accepted as Cocconeis notata var. notata Petit, 1877
- Species Eucocconeis onegensis Wislouch & Kolbe, 1916 accepted as Gololobovia onegensis (Wislouch & Kolbe) Kulikovskiy, Glushchenko & Kociolek in Kulikovskiy et al., 2020
- Species Eucocconeis onegensis auct. non Wislouch & Kolbe
- Species Eucocconeis pellucida (Hantzsch) Cleve, 1895
- Species Eucocconeis penzhica Lupikina & Dolmatova, 1985
- Species Eucocconeis poretzskyi (Jasnitsky) Scheschukova in Proschkina-Lavrenko, 1950
- Species Eucocconeis praecellens (Pantocsek) Cleve, 1895 accepted as Cocconeis praecellens var. praecellens Pantocsek, 1886
- Species Eucocconeis pseudomarginata (Schmidt in Schmidt et al.)
- Species Eucocconeis pseudomarginata (Gregory) Cleve, 1895
- Species Eucocconeis quadratarea (Østrup) Lange-Bertalot, 1999
- Species Eucocconeis schmidtii Kisselev, 1931
- Species Eucocconeis septentrionalis (Grunow) Cleve, 1895 accepted as Cocconeis septentrionalis Grunow, 1884
- Species Eucocconeis vitrea (Brun) Cleve, 1895 accepted as Cocconeis vitrea var. vitrea Brun, 1891
- Species Eucocconeis voluta (Brun in Schmidt) Cleve, 1895 accepted as Cocconeis voluta var. voluta Brun in Schmidt et al., 1894
- Genus Gliwiczia M.Kulikovskiy, Lange-Bertalot & A.Witkowski, 2013 (5)
- Genus Gliwiczia Kulikovskiy, M., Lange-Bertalot, H. & Witkowski, A., 2013
- Genus Gololobovia Kulikovskiy, Glushchenko, Genkal & Kociolek in Kulikovskiy et al., 2020 (4)
- Genus Karayevia F.E. Round & L. Bukhtiyarova ex F.E. Round, 1998 (19)
- Genus Kolbesia F.E. Round & L. Bukhtiyarova ex F.E. Round, 1998 (2)
- Genus Lemnicola F.E. Round & P.W. Basson, 1997
- Genus Madinithidium C.Desrosiers, A.Witkowski & C.Riaux-Gobin, 2014 (7)
- Genus Majewskaea Van de Vijver, K.Robert, Witkowski & Bosak, 2020 (1)
- Genus Planothidium F.E. Round & L. Bukhtiyarova, 1996 (71)
- Genus Platebaikalia Kulikovskiy, Glushchenko, Genkal et Kociolek in Kulikovskiy et al., 2020 (1)
- Genus Psammothidium L. Bukhtiyarova & F.E. Round, 1996 (35)
- Genus Pseudachnanthidium Riaux-Gobin in Riaux-Gobin & Witkowski, 2015 (1)
- Genus Rossithidium F.E. Round & L. Bukhtiyarova, 1996 (3)
- Genus Skabitschewskia Kulikovskiy & Lange-Bertalot, 2015 (24)
- Genus Xenobennettella Witkowski & Riaux-Gobin in Witkowski et al., 2022 (1)
- Family Cocconeidaceae Kützing, 1844 (83)
- Order Bacillariales (357)
- Order Cymbellales (792)
- Order Dictyoneidales
- Order Lyrellales (15)
- Order Mastogloiales (88)
- Order Naviculales (2 077)
- Order Rhopalodiales (37)
- Order Surirellales (174)
- Order Thalassiophysales (105)
- Superorder Bacillariophycidae incertae sedis (32)
- Superorder Eunotiophycanae (293)
- Subclass Coscinodiscophycidae (878)
- Subclass Fragilariophycidae (483)
- Order Centrales
