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)
- Superorder Biddulphianae (230)
- Superorder Chaetocerotanae (95)
- Superorder Corethranae (1)
- Superorder Coscinodiscanae (300)
- Superorder Cymatosirophycanae (10)
- Superorder Lithodesmiophycanae (7)
- Superorder Rhizosolenianae (38)
- Superorder Thalassiosiranae (192)
- Order Thalassiosirales (192)
- Family Lauderiaceae (Schütt) Lemmermann, 1899, sensu emend. (1)
- Family Skeletonemaceae Lebour, 1930, sensu emend. (2)
- Family Stephanodiscaceae Glezer & Makarova, 1986 (150)
- Genus Crateriportula R. Flower & H. Hakansson, 1994
- Genus Cribrionella Jovanovska, Cvetkoska, Tofilovska, Ognjanova-Rumenova & Levkov, 2016
- Genus Cyclocostis Paillès in Paillès et al., 2020 †
- Genus Cyclostephanos F.E. Round ex Theriot, Hakansson, Kociolek, Round & Stoermer, 1987 (5)
- Genus Cyclotella (F.T. Kützing) A. de Brébisson, 1838 (23)
- Genus Dimidialimbus H.Tanaka & T.Nagumo, 2013 † (1)
- Genus Discostella Houk & Klee, 2004 (4)
- Genus Edtheriotia Kociolek, Q.You, Stepanek, R.L.Lowe & Q-X.Wang, (2)
- Genus Fascinorbis Jeff.R.Stone, Edlund & A.J.Alverson, 2020 †
- Genus Handmannia M. Peragallo in Handmann, 1913 accepted as Lindavia (F. Schütt) G.B. De Toni & A. Forti, 1900
- Genus Lindavia (F. Schütt) G.B. De Toni & A. Forti, 1900 (65)
- Genus Mesodictyon E. Theriot & J.P. Bradbury, 1987 †
- Genus Paleotertiarius Blanco, 2020 † accepted as Tertiarius H. Håkansson & G. Khursevich, 1997 †
- Genus Pantocsekiella K.T. Kiss & Ács, 2016 (36)
- Genus Pelagodictyon K.B. Clarke, 1994
- Genus Pliocaenicus F.E. Round & H. Hakansson, 1992 † (1)
- Genus Pseudostephanodiscus J. Sieminska, 1988
- Genus Puncticulata Håkansson, 2002
- Genus Stephanocostis S.I. Genkal & A.E. Kuzmina, 1985
- Genus Stephanodiscus C.G. Ehrenberg, 1845 (13)
- Species Stephanodiscus aegyptiacus Ehrenberg, 1854
- Species Stephanodiscus agassizensis Håk. & Kling, 1989
- Species Stephanodiscus akanensis Tuji, Kawashima, Julius & Stoermer, 2003
- Species Stephanodiscus alpinus Hustedt, 1942
- Species Stephanodiscus americana (Fricke) Amossé, 1975 accepted as Cyclotella americana Schmidt in Schmidt et al., 1900
- Species Stephanodiscus argunensis Skvortzov, 2012
- Species Stephanodiscus aristata Brun & Tempère
- Species Stephanodiscus armenicus Lupikina & Ozornina, 1991
- Species Stephanodiscus armenicus Khursevich & Pirumova, 1988
- Species Stephanodiscus armenicus Khursevich & Pirumova emend Lupikina & Ozornina, 1991
- Species Stephanodiscus asteroides Gasse, 1980 †
- Species Stephanodiscus astraea (Ehrenberg) Grunow, 1880
- Species Stephanodiscus astraea (Kützing) Skabichevskii, 1960 accepted as Cyclotella minutula Kützing, 1844 †
- Species Stephanodiscus astraea sensu Woloszynska, 1923
- Species Stephanodiscus atmosphaerica (Ehrenberg) Håkansson & Locker, 1981 accepted as Discoplea atmosphaerica Ehrenberg, 1847
- Species Stephanodiscus balatonis Pantocsek, 1902
- Species Stephanodiscus balticus Schumann, 1867
- Species Stephanodiscus bellus Khursevich & Loginova in Loginova & Khursevich, 1990
- Species Stephanodiscus berolinensis Ehrenberg, 1846
- Species Stephanodiscus biharensis Pantocsek, 1889
- Species Stephanodiscus binatus Håkansson & Kling, 1990
- Species Stephanodiscus binderanus (Kützing) Krieger, 1927
- Species Stephanodiscus biserialis Prowse, 1962
- Species Stephanodiscus biwensis Skvortzow, 1936
- Species Stephanodiscus bramaputrae Ehrenberg, 1854
- Species Stephanodiscus carconeiformis Khursevich & Loginova in Loginova & Khursevich, 1990
- Species Stephanodiscus carconensis Grunow, 1878 †
- Species Stephanodiscus carpathica Ehrenberg, 1844?
- Species Stephanodiscus chantaicus Genkal & Kuzmina, 1992
- Species Stephanodiscus conspicueporus Stoermer, Håkansson & Theriot, 1988
- Species Stephanodiscus coruscus Jeff.R.Stone, Edlund & Streib in Stone et al., 2020
- Species Stephanodiscus costatilimbus H.Kobayasi & H.Kobayashi, 1986
- Species Stephanodiscus cuneatus Khursevich & Mukhina in Khursevich, 1989 †
- Species Stephanodiscus cyclotelloides Gasse, 1975
- Species Stephanodiscus damasi Hustedt, 1949 accepted as Stephanodiscus damasii Hustedt, 1949
- Species Stephanodiscus damasii Hustedt, 1949
- Species Stephanodiscus delicatus S.I.Genkal, 1985
- Species Stephanodiscus densus A.F.Meunier, 1910
- Species Stephanodiscus digitatus Khursevich & Mukhina, 1990
- Species Stephanodiscus dubius Hustedt, 1928
- Species Stephanodiscus dubius Skabichevskii, 1953
- Species Stephanodiscus dzhilindus G.K.Khursevich, 1994 †
- Species Stephanodiscus elegans Brun in Brun & Tempère, 1889
- Species Stephanodiscus entzii Pantocsek, 1903
- Species Stephanodiscus epidendron Ehrenberg, 1854
- Species Stephanodiscus excentricus Hustedt, 1952
- Species Stephanodiscus fascicularis Khursevich, 1988
- Species Stephanodiscus faurii Ehrlich & Manguin, 1970
- Species Stephanodiscus fenestralis Prowse, 1962
- Species Stephanodiscus flabellatus Khursevich & Loginova in Loginova & Khursevich, 1986
- Species Stephanodiscus fossilis Pantocsek, 1886
- Species Stephanodiscus fragilis
- Species Stephanodiscus furcatus Khursevich & Mukhina, 1990
- Species Stephanodiscus gadebensis
- Species Stephanodiscus galileensis Håkansson & Ehrlich, 1987
- Species Stephanodiscus gayhartianus Boyer, 1922
- Species Stephanodiscus glomeratus Shtin, 1941
- Species Stephanodiscus grandis Khursevich & Loginova in Loginova & Khursevich, 1986
- Species Stephanodiscus gravitoides Mukhina, 1978
- Species Stephanodiscus hamadryas Ehrenberg, 1854
- Species Stephanodiscus hankensis Genkal & Shchur, 2000
- Species Stephanodiscus hantzschi
- Species Stephanodiscus hantzschianus Grunow, 1882 accepted as Stephanodiscus hantzschii Grunow, 1880
- Species Stephanodiscus hantzschii Grunow, 1880
- Species Stephanodiscus heterostylus Håk. & Meyer, 1994
- Species Stephanodiscus hungaricus Pantocsek ex Thum Slides
- Species Stephanodiscus hustedtii Skvortzov, 2012
- Species Stephanodiscus immemoratus Khursevich & Pirumova, 1988
- Species Stephanodiscus immensus Golovenkina & Khursevich in Khursevich & Golovenkina, 1988
- Species Stephanodiscus incognitus Kuzmin & Genkal in Genkal & Kuzmin, 1978
- Species Stephanodiscus inconspicuus Makarova & Pomazkina, 1992
- Species Stephanodiscus invisitatus Hohn & Hellermann, 1963
- Forma Stephanodiscus invisitatus f. hakanssoniae Genkal & Kiss, 1991
- Species Stephanodiscus irregularis Druart, Reymond Pelletier & Gasse, 1987
- Species Stephanodiscus jamsranii M.B.Edlund, R.M.Williams & N.Soninkhishig, 2003
- Species Stephanodiscus kanitzii Pantocsek & Grunow
- Species Stephanodiscus khurseviczae Likhoshway, 1996
- Species Stephanodiscus komoroensis H. Tanaka, 2000
- Species Stephanodiscus kusuensis Julius, Tanaka & Curtin
- Species Stephanodiscus kutzingiana Stoermer & Kreis, 1978
- Species Stephanodiscus kutzingii Klee & Casper in Casper & Klee, 1997
- Species Stephanodiscus lineatus Ehrenberg, 1854
- Species Stephanodiscus lineatus sensu M. Peragallo, 1903
- Species Stephanodiscus lucens Hustedt, 1939
- Species Stephanodiscus magna Girard, 1867
- Species Stephanodiscus major Edwards, 1905
- Species Stephanodiscus makarovae Genkal, 1978
- Species Stephanodiscus marginatus Mukhina, 1978
- Species Stephanodiscus matrensis Pantocsek, 1889
- Species Stephanodiscus mecsekensis Hajós & Palfalvy, 1963
- Species Stephanodiscus medius Håkansson, 1986
- Species Stephanodiscus minor Reverdin, 1918
- Species Stephanodiscus minutula (Kützing) Round, 1981
- Species Stephanodiscus minutulus (Kützing) Cleve & Möller, 1882 accepted as Cyclotella minutula Kützing, 1844 †
- Species Stephanodiscus minutus Pantocsek, 1889
- Species Stephanodiscus minutus Grunow ex Cleve & Möller, 1879
- Species Stephanodiscus miyagiensis H.Tanaka & T.Nagumo, 2006 †
- Species Stephanodiscus mongolicus M.B.Edlund, N.Soninkhishig & R.M.Williams, 2003
- Species Stephanodiscus monostichus Skabichevskaya, 1984
- Species Stephanodiscus mulleri Klee & Casper, 1992
- Species Stephanodiscus multifarius Khursevich & Mukhina, 1990
- Species Stephanodiscus nativus Lupikina, Khursevich & Ozornina, 1989
- Species Stephanodiscus neoaegypticus R.J.Flower, 2013 †
- Species Stephanodiscus neoastraea Håkansson & Hickel, 1986
- Species Stephanodiscus niagarae Ehrenberg, 1845
- Species Stephanodiscus niagarae Cleve-Euler, 1915
- Species Stephanodiscus nipigonensis Kling & Håkansson in Håkansson & Kling, 1990
- Species Stephanodiscus novaezeelandiae Cleve, 1881
- Species Stephanodiscus nyassae Klee & Casper, 1996
- Species Stephanodiscus omarensis Kuptzova, 1962 † accepted as Lindavia omarensis (Kuptzova) Nakov et al., 2015 †
- Species Stephanodiscus ordinatus Khursevich & Mukhina in Khursevich, 1989 †
- Species Stephanodiscus oregoniae H.L. Smith, 1874-1879
- Species Stephanodiscus oregonica (Ehrenberg) H. Håkansson, 1986 accepted as Discoplea oregonica Ehrenberg, 1854
- Species Stephanodiscus paijannesis Tynni, 1994
- Species Stephanodiscus pantocseki Fricke in Schmidt et al., 1902
- Species Stephanodiscus parvus Stoermer & Håkansson, 1984
- Species Stephanodiscus perforatus Genkal & Kuzmin, 1978
- Species Stephanodiscus perrarus Khursevich & Mukhina in Khursevich, 1989 †
- Species Stephanodiscus planus Skabichevskaya, 1984
- Species Stephanodiscus pontica Jousé, 1978
- Species Stephanodiscus popovskayae S.I.Genkal & E.V.Lepskaya, 2013
- Species Stephanodiscus princeps G.K. Khursevich in Khursevich et al., 2001
- Species Stephanodiscus prohantzschii Jousé, 1978
- Species Stephanodiscus proprius Khursevich & Mukhina, 1990
- Species Stephanodiscus pseudoexcentricus Håkansson & Stoermer, 1987
- Species Stephanodiscus pseudohantzschii H. Kobayasi in Kobayasi et al., 1977
- Species Stephanodiscus pseudosuzukii A.Tuji & J.P.Kociolek, 2000
- Species Stephanodiscus pulcherrimus A. Cleve-Euler, 1910
- Species Stephanodiscus punctatus (W.Smith) Grunow, 1878
- Species Stephanodiscus pusillus (Grunow in Cleve & Grunow) Krieger, 1927 accepted as Stephanodiscus hantzschii var. pusillus Grunow in Cleve & Grunow, 1880
- Species Stephanodiscus radiatus Serieyssol, Theriot & Gasse, 1996
- Species Stephanodiscus radiolaria (Skabichevskii) Skabichevskii, 1981
- Species Stephanodiscus reimerii Theriot & Stoermer in Theriot, 1992
- Species Stephanodiscus rhombus Mahood, 1981 †
- Species Stephanodiscus robustus Proschkina-Lavrenko, 1962
- Species Stephanodiscus rotula (Kützing) Hendey, 1964 accepted as Cyclotella rotula Kützing, 1844
- Species Stephanodiscus rugosus Sieminska & Chudybowa, 1979
- Species Stephanodiscus sinensis Ehrenberg, 1854
- Species Stephanodiscus skabitschevskyi Popovskaja, 1966
- Species Stephanodiscus socialis Makarova & Proschkina-Lavrenko, 1964
- Species Stephanodiscus soochowensis Skvortzow, 1946
- Species Stephanodiscus speciosus Mukhina in Jousé & Mukhina, 1978
- Species Stephanodiscus subsalsus (A. Cleve-Euler) Hustedt, 1928
- Species Stephanodiscus subtilis (Goor) A.Cleve, 1951
- Species Stephanodiscus subtransylvanicus
- Species Stephanodiscus sudanensis R.F.Bastow, 1960
- Species Stephanodiscus superiorensis Stoermer & Theriot in Theriot & Stoermer, 1984
- Species Stephanodiscus suzukii A.Tuji & J.P.Kociolek, 2000
- Species Stephanodiscus symbolophora Ehrenberg, 1854
- Species Stephanodiscus tenuis Hustedt, 1939 accepted as Stephanodiscus hantzschii f. tenuis (Hustedt) H.Håkansson & E.F.Stoermer, 1984
- Species Stephanodiscus tenuis Skabichevskii, 1959
- Species Stephanodiscus tenuis Ehrlich, 1968
- Species Stephanodiscus tenuis Skabichevskii, 1960
- Species Stephanodiscus transylvanicus Pantocsek, 1892
- Species Stephanodiscus triporus S.I.Genkal & G.V.Kuzmin, 1978
- Species Stephanodiscus vestibulis Håkansson, Theriot & Stoermer, 1986
- Species Stephanodiscus williamsii G.K. Khursevich in Khursevich et al., 2001
- Species Stephanodiscus yellowstonensis Theriot & Stoermer, 1984
- Species Stephanodiscus yukonensis Kling, 1996
- Species Stephanodiscus zachariasi Brun, 1894
- Species Stephanodiscus zonatus Borscow, 1870
- Genus Strelnikoviella J.P.Kociolek, G.K.Khursevich & E.C.Theriot, 2014 †
- Genus Tertiariopsis Khursevich & Kociolek in Khursevich, Kociolek & Fedenya, 2002 †
- Genus Tertiarius H. Håkansson & G. Khursevich, 1997 †
- Family Thalassiosiraceae Lebour, 1930 (39)
- Family Thalassiosiropsidaceae
- Family Trochosiraceae
- Order Arcanodiscales (5)
- Order Stictocyclales
- Subclass Fragilariophycidae (483)
- Order Centrales
