DiatomBase
Between brackets is the number of accepted extant species
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Shows the number of accepted extant species within the taxon
The last expanded taxon is highlighted
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- Bacillariophyceae (5 957)
- Subclass Bacillariophyceae incertae sedis (189)
- Subclass Bacillariophycidae (4 408)
- Subclass Coscinodiscophycidae (877)
- Superorder Biddulphianae (230)
- Superorder Chaetocerotanae (95)
- Order Chaetocerales (1)
- Order Chaetocerotanae incertae sedis (92)
- Family Acanthocerataceae Round, Crawford & Mann, 1990
- Family Attheyaceae Round & R. M. Crawford (1)
- Genus Attheya T. West, 1860 (1)
- Species Attheya arenicola C.Gardner & R.M.Crawford, 1994
- Species Attheya armata (T.West) R.M.Crawford, 1994 accepted as Chaetoceros armatus T.West, 1860
- Species Attheya decora T.West, 1860
- Variety Attheya decora var. decora West, 1860
- Variety Attheya decora var. hyalina H. Peragallo, 1892 accepted as Attheya hyalina H. Peragallo, 1892
- Variety Attheya decora var. minuta H. Peragallo, 1892 accepted as Attheya minuta H. Peragallo, 1892
- Species Attheya flexuosa C.Gardner, 1994
- Species Attheya gaussii (Heiden) R.M.Crawford, 2000 accepted as Chaetoceros gaussii Heiden, 1928
- Species Attheya hyalina H. Peragallo, 1892
- Species Attheya lata Woloszynska, 1912
- Species Attheya longicornis R.M.Crawford & C.Gardner, 1994
- Species Attheya minuta H. Peragallo, 1892
- Species Attheya septentrionalis (Østrup) R.M.Crawford, 1994 accepted as Chaetoceros septentrionalis Cleve, 1896
- Species Attheya ussurensis Stonik, Orlova & R.M.Crawford, 2006
- Species Attheya zachariasi Brun, 1894
- Species Attheya zachariasii Brun, 1894 accepted as Acanthoceras zachariasii (Brun) Simonsen, 1979
- Family Chaetocerotaceae Ralfs, 1861 (91)
- Order Leptocylindrales (2)
- Superorder Corethranae (1)
- Superorder Coscinodiscanae (300)
- Superorder Cymatosirophycanae (10)
- Superorder Lithodesmiophycanae (7)
- Superorder Rhizosolenianae (37)
- Superorder Thalassiosiranae (192)
- Order Arcanodiscales (5)
- Order Stictocyclales
- Subclass Fragilariophycidae (483)
- Order Centrales
