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 †
Species Lepidodiscus annamariae J.Witkowski & D.M.Harwood, 2010 †
Species Lepidodiscus beresovsky Krotov, 1959
Species Lepidodiscus elegans Witt, 1886 †
Species Lepidodiscus hesslandii Cleve-Euler in Cleve-Euler & Hessland, 1948
Species Lepidodiscus imperialis Brun in Schmidt et al., 1896
Species Lepidodiscus jugatus Gleser in Scheschukova-Poretzkaya & Gleser, 1964
Species Lepidodiscus stella Brun in Schmidt et al., 1893
Species Lepidodiscus sublimus Debes MS. ex Hustedt in Schmidt et al., 1944
Genus Polymyxus J.W. Bailey ex L.W. Bailey, 1861
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