DiatomBase
Between brackets is the number of accepted extant species
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Shows the number of accepted extant species within the taxon
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- Bacillariophyceae (5 958)
- 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)
- Family Plagiotropidaceae D. G. Mann (6)
- Genus Banquisia T.B.B. Paddock, 1988
- Species Banquisia belgicae (Van Heurck) Paddock, 1988 accepted as Amphiprora belgicae var. belgicae Van Heurck, 1909
- Genus Ephemera T.B.B. Paddock, 1988
- Genus Manguinea T.B.B. Paddock, 1988
- Genus Mannsia T.B.B. Paddock, 1988
- Genus Pachyneis R. Simonsen, 1974
- Genus Phycostilus Blanco, 2020 (1)
- Genus Plagiolemma T.B.B. Paddock, 1988 emend. Nézan in Nézan et al., 2018 (1)
- Genus Plagiotropis E. Pfitzer, 1871 (2)
- Genus Stauropsis A. Meunier, 1910 accepted as Meuniera P.C. Silva in G.R. Hasle & E.E. Syvertsen, 1996
- Genus Staurotropis T.B.B. Paddock, 1988 (2)
- Genus Stilus T.B.B. Paddock, 1988 accepted as Phycostilus Blanco, 2020
- Family Proschkiniaceae D. G. Mann (6)
- Suborder Neidiineae (330)
- Suborder Phaeodactylineae
- 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 (878)
- Subclass Fragilariophycidae (483)
- Order Centrales
