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)
- Order Arachnoidiscales (4)
- Order Asterolamprales (24)
- Order Aulacoseirales (50)
- Order Chrysanthemodiscales
- Order Coscinodiscales (146)
- Order Ethmodiscales
- Order Melosirales (54)
- Family Endictyaceae
- Family Hyalodiscaceae Crawford, 1990 (6)
- Genus Hyalodiscus C.G. Ehrenberg, 1845
- Species Hyalodiscus aculeatus Paramonova, 1964
- Species Hyalodiscus adelius (Manguin) Nikolaev, 1984
- Species Hyalodiscus ambiguus (Grunow) Tempère & Peragallo, 1890 † accepted as Podosira ambigua var. ambigua Grunow, 1879
- Species Hyalodiscus annulus Mann, 1925
- Species Hyalodiscus arcticus (Grunow) Thum, 1885 accepted as Hyalodiscus radiatus var. arctica Grunow, 1884
- Species Hyalodiscus argus (Grunow; Grunow) Mann, 1925 accepted as Podosira argus var. argus Grunow, 1878
- Species Hyalodiscus aspersus Mann, 1925
- Species Hyalodiscus bifrons Leuduger-Fortmorel, 1892
- Species Hyalodiscus californicus Bailey ex Kitton, 1878
- Species Hyalodiscus cervinus Brightw., 1860 †
- Species Hyalodiscus chromatoaster Karsten, 1905
- Species Hyalodiscus cicatrix Mann, 1937
- Species Hyalodiscus constrictus (Pantocsek) Kanaya, 1957 accepted as Podosira constricta Pantocsek, 1892
- Species Hyalodiscus corrugatus Hajós, 1968
- Species Hyalodiscus crepitans Mann, 1937
- Species Hyalodiscus debesi Reichelt, 1903
- Species Hyalodiscus dentatus Korotkevicz, 1964
- Species Hyalodiscus dubiosus (Grunow manuscript in Rattray) Karsten, 1905 accepted as Coscinodiscus dubiosus var. dubiosus Grunow manuscript in Rattray, 1890
- Species Hyalodiscus elegans Strelnikova, 1974 †
- Species Hyalodiscus franklini (Ehrenberg) Cleve †
- Species Hyalodiscus franklinii (Ehrenberg) Cleve accepted as Craspedodiscus franklinii Ehrenberg, 1853
- Species Hyalodiscus frenguellii Hanna, 1932
- Species Hyalodiscus granulosus M. Peragallo in Tempère & Peragallo, 1908
- Species Hyalodiscus guttula Mikitinskii, 1912
- Species Hyalodiscus heribaudi (Brun) Ehrlich, 1969 accepted as Melosira heribaudii Brun in A. Schmidt, 1893
- Species Hyalodiscus hirtus Mann, 1925
- Species Hyalodiscus hormoides (Montagne) Petit, 1877 accepted as Melosira hormoides var. hormoides Montagne, 1839
- Species Hyalodiscus horvaticii Jurilj, 1957
- Species Hyalodiscus kerguelensis Karsten, 1905
- Species Hyalodiscus korotnevii Knipowitch, 1921
- Species Hyalodiscus kryshtofovichii A.P.Jousé, 1949 †
- Species Hyalodiscus laevis Ehrenberg, 1845 †
- Species Hyalodiscus lentiginosus J.John, 1983
- Species Hyalodiscus limax Lazarev, 1916
- Species Hyalodiscus maculatus (W. Smith) Cleve, 1873 accepted as Podosira maculata W.Smith, 1856
- Species Hyalodiscus maximus sensu Grunow, 1884
- Species Hyalodiscus maximus (Kützing) Grunow in Schneider, 1878 accepted as Cyclotella maxima Kützing, 1844
- Species Hyalodiscus mendosus VanLandingham, 1971
- Species Hyalodiscus nobilis Pantocsek, 1889
- Species Hyalodiscus obsoletus Sheshukova-Poretzkaya, 1959
- Species Hyalodiscus obsoletus Sheshukova-Poretskaya, 1964
- Species Hyalodiscus oceanicus
- Species Hyalodiscus oculatus Jouse in Dzinoridze, Jouse & Strelnikova, 1979
- Species Hyalodiscus pantocsekii
- Species Hyalodiscus parvulus Karsten, 1907
- Species Hyalodiscus patagonicus Ehrenberg, 1845
- Species Hyalodiscus pauli Azpeitia, 1911
- Species Hyalodiscus permaculatus Grove ex Tempère & Peragallo, 1889-1895
- Species Hyalodiscus planus Kozyrenko, 1971 †
- Species Hyalodiscus plicatus Kozyrenko, 1971 †
- Species Hyalodiscus propeplanus Mann, 1925
- Species Hyalodiscus punctatus Meister, 1937
- Species Hyalodiscus punctatus Schmidt in Schmidt et al., 1888
- Species Hyalodiscus punctulosus Korotkevicz, 1964
- Species Hyalodiscus pustulatus Schmidt in Schmidt et al., 1888
- Species Hyalodiscus radiatus (O'Meara) Grunow, 1880 accepted as Pyxidicula radiata O'Meara, 1877
- Variety Hyalodiscus radiatus var. arctica Grunow, 1884
- Variety Hyalodiscus radiatus var. biharensis Pantocsek, 1886
- Variety Hyalodiscus radiatus var. maxima (Petit) Cleve & Grunow, 1880
- Variety Hyalodiscus radiatus var. minor Forti in Tempère & Peragallo, 1909
- Variety Hyalodiscus radiatus var. minor Forti, 1910
- Variety Hyalodiscus radiatus var. parva Forti, 1913
- Variety Hyalodiscus radiatus var. radiatus (O'Meara) Grunow in Cleve & Grunow, 1880 accepted as Pyxidicula radiata O'Meara, 1877
- Variety Hyalodiscus radiatus var. striata Desikachary & Sreelatha, 1989
- Forma Hyalodiscus radiatus f. minor Cleve & Grunow, 1880
- Forma Hyalodiscus radiatus f. minor M. Peragallo in Peragallo & Peragallo, 1911
- Species Hyalodiscus radiatus J.W. Bailey ex H.L. Smith, 1873
- Species Hyalodiscus reticulatus Schmidt in Schmidt et al., 1888
- Species Hyalodiscus robustus (Grove & Sturt) Grove ex Tempere & Peragallo, 1889-1895 accepted as Hyalodiscus subtilis var. robusta Grove & Sturt, 1887
- Species Hyalodiscus rossicus Pantocsek, 1889
- Species Hyalodiscus rossii Desikachary & Sreelatha, 1989
- Species Hyalodiscus russicus Pantocsek
- Species Hyalodiscus scheschukovii Jousé, 1951
- Species Hyalodiscus schmidtii Frenguelli, 1926
- Species Hyalodiscus scoticus (Kützing) Grunow, 1879 †
- Species Hyalodiscus sphaerophorus Makarova, 1961
- Species Hyalodiscus spiniferus Manguin, 1957
- Species Hyalodiscus spiniferus Manguin, 1960
- Species Hyalodiscus stelliger J.W.Bailey, 1854 † accepted as Podosira stelligera (Bailey) A.Mann, 1907
- Species Hyalodiscus stelliger sensu Cleve & Moller, 1877
- Species Hyalodiscus striolatus Rehakova, 1980
- Species Hyalodiscus subtilis J.W.Bailey, 1854 †
- Species Hyalodiscus subtilissimus Karsten, 1905
- Species Hyalodiscus szurdokpuespoekiensis Hajós, 1968
- Species Hyalodiscus ukaiensis Ichikawa in Ichikawa, Fuji & Bachmann, 1964
- Species Hyalodiscus valens Schmidt in Schmidt et al., 1888
- Species Hyalodiscus vanheurckii (M. Peragallo) Mann, 1937 accepted as Podosira vanheurckii var. vanheurckii M. Peragallo, 1921
- Species Hyalodiscus whitneyi Ehrenberg, 1870
- Species Hyalodiscus zonulatus M. Peragallo, 1921
- Genus Hyalopoda N.I. Strelnikova in N.I. Strelnikova, T.F. Kozyrenko & T.K. Jackovschikova, 1998 †
- Genus Podosira C.G. Ehrenberg, 1840 (6)
- Family Melosiraceae Kützing, 1844, sensu emend. (37)
- Family Stephanopyxidaceae Nikolaev (11)
- Order Orthoseirales (18)
- Order Paraliales (4)
- Order Stictocycales
- Order Stictodiscales
- Superorder Cymatosirophycanae (10)
- Superorder Lithodesmiophycanae (7)
- Superorder Rhizosolenianae (38)
- Superorder Thalassiosiranae (192)
- Order Arcanodiscales (5)
- Order Stictocyclales
- Subclass Fragilariophycidae (483)
- Order Centrales
