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)
- Subclass Coscinodiscophycidae (878)
- Subclass Fragilariophycidae (483)
- Superorder Fragilariophycanae (483)
- Order Ardissoneales (1)
- Order Climacospheniales (2)
- Order Cyclophorales (8)
- Order Fragilariales (377)
- Family Fragilariaceae Greville, 1833 (377)
- Genus Adoneis G.W. Andrews & P. Rivera, 1987 (1)
- Genus Andrewsiella T.Jurkschat, 1997 †
- Genus Asterionella A.H. Hassall, 1850 (4)
- Genus Asterionellopsis F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990 (2)
- Genus Asteroplanus C. Gardner & R.M. Crawford in R.M. Crawford & C. Gardner, 1997
- Genus Bleakeleya F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990
- Genus Brandinia L.F. Fernandes in Fernandes, Procopiak & Portinho, 2007
- Genus Brassierea M.K.Hein & B.M.Winsborough, 1999
- Genus Castoridens Ashworth, Chunlian Li & Witkowski, 2016 (2)
- Genus Catacombas D.M. Williams & F.E. Round, 1986
- Genus Centronella M. Voigt, 1902
- Genus Ceratoneis C.G. Ehrenberg, 1839 accepted as Cylindrotheca L. Rabenhorst, 1859 (3)
- Species Ceratoneis acicularis (Kützing) Ralfs in Pritchard, 1861 accepted as Synedra acicularis Kützing, 1844
- Species Ceratoneis alpina (Naegeli in Kützing) Grunow in Rabenhorst, 1865 accepted as Synedra alpina var. alpina Naegeli in Kützing, 1849
- Species Ceratoneis amphioxys Rabenhorst, 1853 accepted as Hannaea arcus (Ehrenberg) R.M.Patrick in Patrick & Reimer, 1966
- Variety Ceratoneis amphioxys var. amphioxys Rabenhorst, 1853
- Variety Ceratoneis amphioxys var. recta Skvortzow & Meyer, 1928 accepted as Hannaea recta (Skvortzow & Meyer) Q. Liu, Glushchenko, Kulikovskiy & Kociolek in Liu et al., 2019
- Species Ceratoneis antiqua Héribaud, 1903
- Species Ceratoneis arcuata (Naegeli in Kutzing) Grunow in Rabenhorst, 1865 accepted as Synedra arcuata Naegeli in Kutzing, 1849
- Species Ceratoneis arcus (Ehrenberg) Kützing, 1844 accepted as Hannaea arcus (Ehrenberg) R.M.Patrick in Patrick & Reimer, 1966
- Species Ceratoneis arcus (Skvortzow) Skabichevskii, 1963 accepted as Ceratoneis amphioxys var. recta Skvortzow & Meyer, 1928
- Species Ceratoneis australis M.Peragallo, 1921 accepted as Tabulariopsis australis (M.Peragallo) D.M.Williams, 1988
- Species Ceratoneis biceps (Ehrenberg) Grunow, 1865 accepted as Eunotia biceps Ehrenberg, 1843
- Species Ceratoneis chilensis Krasske, 1939 accepted as Hannaea chilensis (Krasske) Kulikovskiy, 2008
- Species Ceratoneis closterium Ehrenberg, 1839
- Species Ceratoneis cochlearis Eichwald, 1852
- Species Ceratoneis cretae Ehrenberg, 1844
- Species Ceratoneis cuspidata Schumann, 1867
- Species Ceratoneis depressa Schumann, 1867
- Species Ceratoneis fasciola Ehrenberg, 1839
- Species Ceratoneis flexuosa Grunow, 1865
- Species Ceratoneis fusiformis Iwahashi, 1936
- Species Ceratoneis fusiformis R. Jahn & W.-H. Kusber
- Species Ceratoneis gracilis Brébisson ex Kützing, 1849
- Species Ceratoneis hemicyclus (Ehrenberg) Grunow, 1865 accepted as Synedra hemicyclus Ehrenberg, 1840
- Species Ceratoneis hirtulus
- Species Ceratoneis iyengarii Gonzalves & H.P.Gandhi, 1952
- Species Ceratoneis jogensis Gandhi, 1966
- Species Ceratoneis laminaris Ehrenberg, 1843
- Species Ceratoneis linea (Ehrenberg) Ralfs in Pritchard, 1861 accepted as Synedra linea Ehrenberg, 1844
- Species Ceratoneis longissima Brébisson, 1849
- Species Ceratoneis lunaris (Ehrenberg) Grunow, 1865 accepted as Synedra lunaris var. lunaris Ehrenberg, 1832
- Species Ceratoneis minor Schumann, 1867
- Species Ceratoneis pachycephala (Kützing) Grunow in Rabenhorst, 1865 accepted as Eunotia pachycephala Kützing, 1849
- Species Ceratoneis placenta Ehrenberg, 1854
- Species Ceratoneis recta (Skvortzov & Meyer) Y.Iwahashi
- Species Ceratoneis reimannii R. Jahn & Kusber, 2006
- Species Ceratoneis reniformis Iwahashi, 1936
- Species Ceratoneis reversa (W. Smith) Ralfs in Pritchard, 1861 accepted as Nitzschia reversa f. reversa W. Smith, 1853
- Species Ceratoneis rhomboidea Ehrenberg, 1854
- Species Ceratoneis rhomboides Ehrenberg in Ralfs in Pritchard, 1861
- Species Ceratoneis schumannii Rabenhorst in Schumann, 1867
- Species Ceratoneis signata (Reimann & J.C.Lewin) Jahn & Kusber accepted as Cylindrotheca signata Reimann & J.C.Lewin, 1964
- Species Ceratoneis spiralis Kützing, 1844
- Species Ceratoneis subarcuata (Nägeli) Grunow, 1865 accepted as Synedra subarcuata Naegeli ex Kützing, 1849
- Species Ceratoneis subulata Brébisson in Kutzing, 1846
- Species Ceratoneis toxon Perty, 1852
- Species Ceratoneis vaucheriae (Kützing) H.Kobayashi, 1965 accepted as Exilaria vaucheriae Kützing, 1833
- Genus Cratericulifera Chunlian Li, Witkowski & Ashworth, 2016 (2)
- Genus Ctenophora (Grunow) D.M.Williams & Round, 1986 (2)
- Genus Ctenophora A. Grunow, 1862
- Genus Desikaneis A.K.S.K. Prasad in A.K.S.K. Prasad & R.J. Livingston, 1993 (1)
- Genus Diatoma J.B.M. Bory de Saint-Vincent, 1824 (13)
- Genus Distrionella D.M. Williams, 1990 (2)
- Genus Falcula M. Voigt, 1960 (1)
- Genus Fossula G.R. Hasle, E.E. Syvertsen & C.H. von Quillfeldt, 1996 accepted as Fossulaphycus Blanco, 2020
- Genus Fossulaphycus Blanco, 2020 (1)
- Genus Fragilaria H.C. Lyngbye, 1819 (100)
- Genus Fragilariforma D.M. Williams & F.E. Round, 1988 (8)
- Genus Frankophila H. Lange-Bertalot, 1997 (3)
- Genus Gedaniella Chunlian Li, Witkowski & Ashworth, 2018 (4)
- Genus Grammonema C.A. Agardh, 1832 (2)
- Genus Hannaea R. Patrick in R. Patrick & C.W. Reimer, 1966 (15)
- Genus Hendeyella Ashworth, Witkowski & Chunlian Li, 2016 (4)
- Genus Hyaloneis M.C. Amspoker, 2008
- Genus Hyalosynedra D.M. Williams & F.E. Round, 1986 (7)
- Genus Koernerella C.S. Lobban & E.C. Theriot in Lobban et al., 2011
- Genus Martyana F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990
- Genus Meridion C.A. Agardh, 1824 (3)
- Genus Neofragilaria D.M. Williams & F.E. Round, 1988 accepted as Fragilariforma D.M. Williams & F.E. Round, 1988
- Genus Neosynedra D.M. Williams & F.E. Round, 1986
- Genus Opephora P. Petit, 1888 (6)
- Genus Perideraion C.S. Lobban & R.W. Jordan in Lobban et al., 2011
- Genus Plagiostriata S.Sato & L.K.Medlin, 2009 (2)
- Genus Podocystis J.W. Bailey, 1854 (1)
- Genus Popovskayella Kulikovskiy & Lange-Bertalot, 2015
- Genus Porannulus P.B. Hamilton & M. Poulin in Hamilton, Poulin, Yang & Kloser, 1998
- Genus Psammosynedra F.E. Round, 1993
- Genus Psammotaenia Ashworth, Chunlian Li & Witkowski, 2016 (1)
- Genus Pseudo-eunotia A. Grunow in H. Van Heurck, 1881 (1)
- Genus Pseudofalcula F. Gomez, Lu Wang & Senjie Lin, 2018 (1)
- Genus Pseudostaurosira D.M. Williams & F.E. Round, 1988 (59)
- Genus Pteroncola R.W. Holmes & D.A. Croll, 1984 (1)
- Genus Punctastriata D.M. Williams & F.E. Round, 1988 (4)
- Genus Reimerothrix A.K.S.K. Prasad in Prasad, A.K. S.K., Nienow, J.A. & Riddle, K.A., 2001
- Genus Rimoneis M. Garcia, 2010
- Genus Sarcophagodes E.A. Morales, 2002 (5)
- Genus Serratifera Ashworth, Chunlian Li & Witkowski, 2016 (2)
- Genus Stauroforma R.J. Flower, V.J. Jones & F.E. Round, 1996 (1)
- Genus Staurosira C.G. Ehrenberg, 1843 (16)
- Genus Staurosirella D.M. Williams & F.E. Round, 1987 (26)
- Genus Synedra C.G. Ehrenberg, 1830 (35)
- Genus Synedrella F.E. Round & N.I. Maidana, 2001 accepted as Pseudostaurosira D.M. Williams & F.E. Round, 1988
- Genus Synedropsis G.R.Hasle, L.K.Medlin & E.E.Syvertsen, 1994 (1)
- Genus Tabularia (F.T. Kutzing) D.M. Williams & F.E. Round, 1986 (18)
- Genus Tabularia F.T. Kutzing, 1844
- Genus Tabulariopsis D.M.Williams, 1988
- Genus Thalassioneis F.E. Round in F.E. Round, R.M. Crawford & D.G. Mann, 1990
- Genus Tibetiella Y.L.Li, D.M.Williams & D.Metzeltin, 2010 (1)
- Genus Trachysphenia P. Petit in Folin & Perrier, 1877 (1)
- Genus Ulnaria (Kützing) P. Compère, 2001 (15)
- Genus Ulnaria F.T. Kutzing, 1844
- Order Licmophorales (49)
- Order Protoraphidales (1)
- Order Rhabdonematales (3)
- Order Rhaphoneidales
- Order Striatellales (15)
- Order Tabellariales (16)
- Order Thalassionematales (10)
- Order Toxariales (1)
- Order Centrales
