DiatomBase
Between brackets is the number of accepted extant species
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Shows the number of accepted extant species within the taxon
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- Bacillariophyceae (5 957)
- Subclass Bacillariophyceae incertae sedis (189)
- Subclass Bacillariophycidae (4 408)
- Subclass Coscinodiscophycidae (877)
- 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)
- 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)
- Species Diatoma anceps (Ehrenberg) Kirchner, 1878 accepted as Fragilaria anceps Ehrenberg, 1843
- Species Diatoma angusticostata Williams, D.M. & Levkov, Z, 2006
- Species Diatoma anomalum (W. Sm.) Schönf., 1907 accepted as Odontidium anomalum f. anomalum W. Smith, 1855
- Species Diatoma arcuatum Lyngbye in Hornemann, 1818
- Species Diatoma auritum Lyngbye, 1819
- Species Diatoma biddulphiana (J.E. Smith) Agardh, 1817
- Species Diatoma boulei Héribaud, 1908
- Species Diatoma boulei Lauby, 1910
- Species Diatoma capitata Lauby, 1910
- Species Diatoma coelata Dujardin, 1842
- Species Diatoma constricta (Grunow) D. M. Williams, 1985
- Species Diatoma crystallinum C.A. Agardh, 1824
- Species Diatoma danica Bory de Saint-Vincent, 1824
- Species Diatoma densicostata Levkov, Z. & Williams, D.M., 2006
- Species Diatoma dissiliens (Dillwyn) Agardh, 1811 (1812)
- Species Diatoma ehrenbergii Kützing, 1844
- Species Diatoma elongatum (Lyngbye) C.A. Agardh, 1824 accepted as Diatoma tenue var. elongatum Lyngbye, 1819
- Species Diatoma eulensteinii F.M.H.Welwitsch
- Species Diatoma fasciculata P.L.Crouan & H.M.Crouan
- Species Diatoma fasciculata Agardh, 1812 accepted as Tabularia fasciculata (C.Agardh) D.M.Williams & Round, 1986
- Species Diatoma fasciculata C.A.Agardh, 1812 accepted as Tabularia fasciculata (C.Agardh) D.M.Williams & Round, 1986
- Species Diatoma fasciculatum C.A. Agardh, 1812
- Species Diatoma fenestratum Lyngbye, 1819
- Species Diatoma flocculosa (A.G.Roth) A.P.De Candolle
- Species Diatoma fulgens (Greville) Greville, 1833 accepted as Exilaria fulgens Greville, 1827
- Species Diatoma gracillima Hantzsch, 1861
- Species Diatoma harrisonii (W.Smith) Cleve, 1868 accepted as Odontidium harrisonii f. harrisonii Roper, 1854
- Species Diatoma hiemale (Lyngb.) Heiberg, 1863 accepted as Fragilaria hiemalis (Roth) Lyngbye, 1819
- Species Diatoma hyalinum Kützing, 1844
- Forma Diatoma hyalinum f. minima (Ralfs) Rabenhorst, 1864 accepted as Diatoma minimum Ralfs, 1846
- Forma Diatoma hyalinum f. minor Rabenhorst, 1864
- Species Diatoma hyemalis (Roth) Heiberg, 1863
- Species Diatoma kalakulensis Peng, Rioual & D.M. Williams, 2017
- Species Diatoma liber Suhr, 1831
- Species Diatoma lyngbyei Agardh, 1824
- Species Diatoma marinum Lyngbye, 1819
- Species Diatoma melobesicola P.L.Crouan & H.M.Crouan
- Species Diatoma mesodon (Ehrenberg) Kützing, 1844
- Species Diatoma minima Ralfs, 1846
- Species Diatoma moniliforme (Kützing) D.M.Williams, 2012
- Species Diatoma moniliformis Kützing, 1833
- Species Diatoma navicula Corda, 1835
- Species Diatoma obliquata (J.E.Smith) C.A.Agardh
- Species Diatoma ochridana Lange-Bertalot & Rumrich in Lange-Bertalot, Rumrich & Hofmann, 1991
- Species Diatoma oulei Lauby, 1909
- Species Diatoma ovalis Fricke in Schmidt et al., 1906
- Species Diatoma pectinalis (O. Müller) Agardh, 1812
- Species Diatoma polonica M.Bak, H.Lange-Bertalot, J.Nosek, Z.Jakubowska & M.Kielbasa, 2014
- Species Diatoma problematica Lange-Bertalot, 1993
- Species Diatoma ramesi Lauby, 1910
- Species Diatoma rhombica E.O'Meara, 1877
- Species Diatoma rupestris Liu & Wang in Liu et al., 2010
- Species Diatoma scalaris J.P.A.S.Grateloup
- Species Diatoma sera Dujardin, 1842
- Species Diatoma shenonngia Zhang & Qi, 1994
- Species Diatoma signata Dujardin, 1842
- Species Diatoma stellaris Bailey, 1851
- Species Diatoma stipitata (J.E. Smith) Agardh, 1817
- Species Diatoma sulphurascens Agardh, 1832
- Species Diatoma swartzii C.A.Agardh, 1812
- Species Diatoma tabellaris Dujardin, 1842
- Species Diatoma tabulatum C.Agardh, 1832 accepted as Tabularia tabulata (C.Agardh) Snoeijs, 1992
- Species Diatoma taeniaeformis (E.B.) Agardh, 1817
- Species Diatoma tenue C. Agardh, 1812
- Species Diatoma tenuis C.Agardh, 1812
- Species Diatoma truncata Greville ex Ralfs in Pritchard, 1861
- Species Diatoma virescens (Ralfs) Hassall, 1845 accepted as Fragilaria virescens f. virescens Ralfs, 1843
- Species Diatoma vitrea Kützing, 1844
- Species Diatoma vulgare Bory de Saint-Vincent, 1831 accepted as Diatoma vulgaris Bory de Saint-Vincent, 1824
- Species Diatoma vulgaris Bory de Saint-Vincent, 1824
- 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
