DiatomBase
Between brackets is the number of accepted extant species
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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)
- 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)
- Species Staurosira acuta Ehrenberg
- Species Staurosira acutirostrata (Metzeltin & Lange-Bertalot) D. Metzeltin & H. Lange-Bertalot in D. Metzeltin, H. Lange-Bertalot & F. García-Rodríguez, 2005 accepted as Staurosirella acutirostrata (Metzeltin & Lange-Bertalot) Almeida & Wetzel, 2015
- Species Staurosira aequalis
- Variety Staurosira aequalis var. aequalis Grunow in Cleve & Möller, 1877
- Variety Staurosira aequalis var. producta (Lagerstedt) Grunow, 1881 accepted as Fragilaria aequalis var. producta Lagerstedt, 1873
- Species Staurosira altiplanensis H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 accepted as Pseudostaurosira altiplanensis (Lange-Bertalot & Rumrich in Rumrich et al.) E.Morales in Garcia et al., 2017
- Species Staurosira ambigua E.A. Morales, M.B. Edlund & S.A. Spaulding, 2010
- Species Staurosira amphilepta Ehrenberg, 1854
- Species Staurosira anomala (W. Smith) Leuduger-Fortmoral, 1878
- Species Staurosira astraea
- Species Staurosira aventralis Lange-Bertalot & Rumrich, 2000
- Species Staurosira berolinensis (Lemmerman) Lange-Bertalot
- Species Staurosira bidens (Heiberg) Grunow, 1882 accepted as Fragilaria bidens f. bidens Heiberg, 1863
- Species Staurosira borealis (Foged) Witkowski, Lange-Bertalot & Witon in Witon et al., 2004
- Species Staurosira brevistriata (Grunow) Grunow accepted as Fragilaria brevistriata Grunow, 1885
- Species Staurosira capucina Borzsc.
- Species Staurosira catamarcensis Grana, E. Morales, Maidana & Ector, 2018
- Species Staurosira circula Van de Vijver & Beyens
- Species Staurosira construens Ehrenberg, 1843 accepted as Fragilaria construens (Ehrenberg) Grunow, 1862
- Species Staurosira contorta R.J. Flower, 2005
- Species Staurosira contracta (Schumann) Petit, 1877
- Species Staurosira crassa (Metzeltin & Lange-Bertalot) Metzeltin, Lange-Bertalot & García-Rodríguez, 2005 accepted as Staurosirella crassa (Metzeltin & Lange-Bertalot) F.C.P. Ribeiro & L.C. Torgan in Ribeiro et al., 2010
- Species Staurosira dimorpha E.A. Morales, M.B. Edlund & S.A. Spaulding, 2010
- Species Staurosira dubia Grunow, 1879
- Species Staurosira elliptica (Schumann) Cleve & Möller, 1879 accepted as Fragilaria elliptica f. elliptica Schumann, 1867
- Species Staurosira epidendrum Ehrenberg, 1854
- Species Staurosira gongyla Krishtofovich, 1941
- Species Staurosira grunowii Pantocsek, 1892 † accepted as †
- Species Staurosira harrisonii (Roper) Grunow, 1877 accepted as Staurosirella leptostauron (Ehrenberg) D.M.Williams & Round, 1987
- Species Staurosira harrisonii (W. Smith) Pfitzer, 1871
- Species Staurosira hyemalis (Kützing) Petit, 1878
- Species Staurosira incerta E.A. Morales, 2006
- Species Staurosira inflata (Heiden) A.Rusanov, Ács, E. Morales & Ector in Rusanov et al., 2018
- Species Staurosira intermedia (Grunow) Grunow, 1882 accepted as Fragilaria mutabilis var. intermedia Grunow, 1862
- Species Staurosira islandica (Grunow in Van Heurck) Pelletan, 1889 accepted as Fragilaria islandica var. islandica Grunow in Van Heurck, 1881
- Species Staurosira jolinae Van de Vijver accepted as Punctastriata jolinae (Van de Vijver in Van de Vijver & Beyens) M.L.García, Maidana & Van de Vijver, 2017
- Species Staurosira kavnensis Pantocsek, 1889
- Species Staurosira kjotsunarum E.Morales, M.H.Novais & L.Ector, 2012
- Species Staurosira lancettula Schumann
- Species Staurosira laucensis H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 accepted as Pseudostaurosira laucensis (Lange-Bertalot & U.Rumrich) E.A.Morales & Vis, 2007
- Species Staurosira longirostris (Frenguelli) Metzeltin, Lange-Bertalot & García-Rodríguez
- Species Staurosira longwanensis P.Rioual, Morales & Ector, 2014
- Species Staurosira magallanesica Garcia, Maidana, Ector & Morales, 2018
- Species Staurosira mercedes H. Lange-Bertalot & Rumrich in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000
- Species Staurosira mesodon Cleve & Grunow, 1880
- Species Staurosira mesolepta (Rabenhorst) Cleve & Möller, 1879 accepted as Fragilaria mesolepta Rabenhorst, 1861
- Species Staurosira mexicana Ehrenberg, 1854
- Species Staurosira microstriata (Marciniak) H. Lange-Bertalot in U. Rumrich, H. Lange-Bertalot & M. Rumrich, 2000 accepted as Fragilaria microstriata Marciniak, 1982
- Species Staurosira mormonorum (Grunow in Van Heurck) Pantocsek, 1889 accepted as Fragilaria brevistriata var. mormorum Grunow in Van Heurck, 1881
- Species Staurosira mormonorum (Grunow) Grunow, 1882
- Species Staurosira mutabilis (W.Smith) Pfitzer, 1871 accepted as Odontidium mutabile var. mutabile W. Smith, 1856
- Species Staurosira neoproducta (Lange-Bertalot) Chudaev & Gololobova, 2012
- Species Staurosira niagarae Hollerbakh & Krasavina, 1971
- Species Staurosira obtusa (Hustedt) M.Garcia, 2006 accepted as Fragilaria obtusa Hustedt, 1956
- Species Staurosira oldenburgioides (Lange-Bertalot) M.S.Kulikovskiy, Lange-Bert & A.Witkowski in Kulikovskiy et al., 2010
- Species Staurosira opacolineata (Lange-Bertalot) Witon, Lange-Bertalot & Witkowski in Witon et al., 2004 accepted as Pseudostaurosira opacolineata (Lange-Bertalot in Lange-Bertalot & Metzeltin) M.L.García & Maidana, 2017
- Species Staurosira parasitica (W.Smith) Petit, 1877 accepted as Odontidium parasiticum var. parasiticum W. Smith, 1856
- Species Staurosira parasitoides H. Lange-Bertalot, R. Schmidt & R. Klee in R. Schmidt et al., 2004 accepted as Pseudostaurosira parasitoides (Lange-Bertalot, Rol.Schmidt & Klee in Schmidt et al.) E.Morales, M.L.García & Maidana, 2017
- Species Staurosira patagonica Cleve, 1881
- Species Staurosira patagonica Garcia, Maidana, Ector & Morales, 2017 accepted as Staurosira magallanesica Garcia, Maidana, Ector & Morales, 2018
- Species Staurosira pinnata Ehrenberg, 1843
- Species Staurosira pottiezii B.Van de Vijver, 2014
- Species Staurosira proboscoidea Lange-Bertalot & Rumrich, 2000
- Species Staurosira producta (Lagerstedt) Grunow, 1882 accepted as Fragilaria aequalis var. producta Lagerstedt, 1873
- Species Staurosira punctiformis Witkowski, Metzeltin & Lange-Bertalot, 2000
- Species Staurosira reimeri E.A.Morales, K.M.Manoylov & L.L.Bahls, 2010 accepted as Stauroforma reimeri (E.Morales, Manoylov & Bahls) E.Morales, 2017
- Species Staurosira smithiana Grunow in Van Heurck, 1881
- Species Staurosira stevensonii Manoylov, Morales & Stoermer, 2003
- Species Staurosira tabellaria (W.Smith) Leuduger-Fortmorel, 1878 accepted as Odontidium tabellaria var. tabellaria W. Smith, 1856
- Species Staurosira tricarinata Ehrenberg, 1854
- Species Staurosira trigongyla Ehrenberg, 1843
- Species Staurosira ungeriana
- Species Staurosira vandenbusscheana Van de Vijver in Van de Vijver et al., 2020
- Species Staurosira vasta Pantocsek, 1892
- Species Staurosira venter (Ehrenberg) Cleve & Moeller, 1879 accepted as Fragilaria venter var. venter Ehrenberg, 1854
- Species Staurosira viereckiana (Gerd Moser) C.E.Wetzel & E.Morales, 2019
- 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
