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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- Biota (879)
- Kingdom Animalia (681)
- Kingdom Bacteria (5)
- Kingdom Chromista (179)
- Subkingdom Hacrobia (4)
- Subkingdom Harosa (91)
- Phylum Bacillariophyta
- Phylum Heterokontophyta (84)
- Subphylum Bacillariophytina (84)
- Class Bacillariophyceae (84)
- Subclass Bacillariophyceae incertae sedis
- Subclass Bacillariophycidae (22)
- Superorder Bacillariophycanae (19)
- Order Achnanthales (1)
- Order Bacillariales (10)
- Order Naviculales (6)
- Order Rhopalodiales
- Order Surirellales (2)
- Family Surirellaceae Kützing, 1844 (2)
- Superorder Bacillariophycidae incertae sedis (3)
- Subclass Coscinodiscophycidae (57)
- Subclass Fragilariophycidae (5)
- Kingdom Plantae (14)
- Kingdom Protozoa