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)
- Infrakingdom Alveolata (82)
- Infrakingdom Heterokonta (6)
- Phylum Ochrophyta (6)
- Subphylum Khakista
- Subphylum Phaeista
- Class Dictyochophyceae (2)
- Subclass Alophycidae
- Order Dictyochales (1)
- Order Pedinellales (1)
- Class Phaeophyceae (2)
- Class Raphidophyceae (2)
- Infrakingdom Rhizaria (3)
- Phylum Bacillariophyta
- Phylum Heterokontophyta (84)
- Kingdom Plantae (14)
- Kingdom Protozoa