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)
- Superorder Bacillariophycanae (4 083)
- Order Achnanthales (438)
- Order Bacillariales (357)
- Order Cymbellales (792)
- Order Dictyoneidales
- Order Lyrellales (15)
- Order Mastogloiales (88)
- Order Naviculales (2 077)
- Suborder Diploneidineae
- Suborder Naviculineae (12)
- Suborder Neidiineae (330)
- Suborder Phaeodactylineae
- Family Phaeodactylaceae Silva, 1962
- Genus Phaeodactylum K. von Bohlin, 1897
- Suborder Sellaphorineae
- Family Amphipleuraceae Grunow, 1862 (162)
- Family Diploneidaceae D. G. Mann, 1990 (116)
- Family Metascolioneidaceae S.Blanco & C.E.Wetzel, 2016 (2)
- Family Naviculaceae Kützing, 1844 (866)
- Family Naviculales incertae sedis (7)
- Family Pinnulariaceae D.G. Mann, 1990 (254)
- Family Pleurosigmataceae Mereschkowsky, 1903 (98)
- Family Scolioneidaceae
- Family Scoliotropidaceae Mersechk. (6)
- Family Sellaphoraceae Mereschkowsky, 1902 (74)
- Family Stauroneidaceae D.G. Mann, 1990 (150)
- Order Rhopalodiales (37)
- Order Surirellales (174)
- Order Thalassiophysales (105)
- Superorder Bacillariophycidae incertae sedis (32)
- Superorder Eunotiophycanae (293)
- Subclass Coscinodiscophycidae (877)
- Subclass Fragilariophycidae (483)
- Order Centrales
