DiatomBase

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Between brackets is the number of accepted extant species

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2 Shows the number of accepted extant species within the taxon

3 The last expanded taxon is highlighted

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Show accepted taxa only Only show main ranks

Bacillariophyceae (5 957)
Subclass Bacillariophyceae incertae sedis (189)
Subclass Bacillariophycidae (4 408)
Subclass Coscinodiscophycidae (877)
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)
Family Aulacodiscaceae (Schütt) Lemmermann, 1903 (12)
Family Coscinodiscaceae Kützing, 1844 (76)
Family Gossleriellaceae Round, 1990
Family Heliopeltaceae H. L. Smith, 1872 (26)
Genus Actinoptychus C.G. Ehrenberg, 1843 (26)
Genus Anthodiscina P.C. Silva, 1970 †
Genus Anthodiscus E. Grove & G. Sturt, 1887
Genus Lepidodiscus O.N. Witt, 1886 †
Genus Polymyxus J.W. Bailey ex L.W. Bailey, 1861
Species Polymyxus coronalis L.W.Bailey, 1862
Species Polymyxus flosmarina (Brun) De Toni, 1894
Species Polymyxus joynsonii Habirshaw et al., 1877-1894
Species Polymyxus pulchellus
Species Polymyxus schleinitzii Janisch, 1888
Species Polymyxus victoriae (Karsten) F.W. Mills, 1934 accepted as Aulacodiscus victoriae Karsten, 1905
Genus Trossulus Ross & Sims, 2002
Family Hemidiscaceae Hendey, 1937 emend Simonsen, 1975 (32)
Family Hemipeltaceae
Family Rocellaceae
Family Stellarimaceae V.A.Nikolaev ex P.A.Sims & G.R.Hasle, 1990
Order Ethmodiscales
Order Melosirales (54)
Order Orthoseirales (18)
Order Paraliales (4)
Order Stictocycales
Order Stictodiscales
Superorder Cymatosirophycanae (10)
Superorder Lithodesmiophycanae (7)
Superorder Rhizosolenianae (37)
Superorder Thalassiosiranae (192)
Order Arcanodiscales (5)
Order Stictocyclales
Subclass Fragilariophycidae (483)
Order Centrales