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
Click on "+" to expand/show all child taxa
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- Biota (879)
- Kingdom Animalia (681)
- Phylum Annelida (119)
- Phylum Arthropoda (168)
- Subphylum Chelicerata (6)
- Subphylum Crustacea (162)
- Superclass Allotriocarida (28)
- Class Branchiopoda (23)
- Class Hexapoda (5)
- Subclass Insecta (5)
- Infraclass Pterygota (5)
- Order Coleoptera (1)
- Order Diptera (3)
- Suborder Brachycera (1)
- Suborder Nematocera (2)
- Infraorder Culicomorpha (2)
- Family Chironomidae (2)
- Subfamily Chironominae (1)
- Subfamily Clunioninae accepted as Orthocladiinae
- Subfamily Orthocladiinae
- Subfamily Telmatogetoninae Wirth (1)
- Order Odonata (1)
- Superclass Multicrustacea (134)
- Phylum Bryozoa (3)
- Phylum Chaetognatha (2)
- Phylum Chordata (276)
- Phylum Cnidaria (5)
- Phylum Ctenophora (3)
- Phylum Echinodermata (7)
- Phylum Kinorhyncha (2)
- Phylum Mollusca (70)
- Phylum Nematoda (1)
- Phylum Platyhelminthes (1)
- Phylum Porifera (2)
- Phylum Rotifera (22)
- Kingdom Bacteria (5)
- Kingdom Chromista (179)
- Kingdom Plantae (14)
- Kingdom Protozoa