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 (12 687)
- Kingdom Animalia (9 793)
- Phylum Acanthocephala (30)
- Phylum Annelida (618)
- Phylum Arthropoda (4 266)
- Phylum Brachiopoda (64)
- Phylum Bryozoa (363)
- Class Gymnolaemata (305)
- Class Stenolaemata (58)
- Order Cyclostomatida (58)
- Suborder Articulina (5)
- Suborder Cancellata (7)
- Suborder Cerioporina (1)
- Suborder Cyclostomatida incertae sedis
- Suborder Fasciculina (6)
- Suborder Rectangulata (5)
- Suborder Tubuliporina (34)
- Family Annectocymidae Hayward & Ryland, 1985 (2)
- Family Cinctiporidae Boardman, Taylor & McKinney, 1992 (1)
- Family Diaperoeciidae Canu, 1918 (1)
- Family Diastoporidae Gregory, 1899 accepted as Plagioeciidae Canu, 1918
- Family Entalophoridae Reuss, 1869 (2)
- Family Filisparsidae Borg, 1944 accepted as Oncousoeciidae Canu, 1918
- Family Idmoneidae Busk, 1859
- Family Mecynoeciidae Canu, 1918
- Family Oncousoeciidae Canu, 1918 (2)
- Family Plagioeciidae Canu, 1918 (6)
- Family Stomatoporidae Pergens & Meunier, 1886 (2)
- Family Terviidae Canu & Bassler, 1920 (1)
- Family Tubuliporidae Johnston, 1837 (17)
- Genus Exidmonea David, Mongereau & Pouyet, 1972 (3)
- Genus Idmidronea Canu & Bassler, 1920 (7)
- Genus Qingdaoella Liu, Liu & Zágoršek, 2019 (1)
- Genus Tubulipora Lamarck, 1816 (6)
- Phylum Cephalorhyncha
- Phylum Chaetognatha (25)
- Phylum Chordata (1 415)
- Phylum Cnidaria (460)
- Phylum Ctenophora (11)
- Phylum Dicyemida (1)
- Phylum Echinodermata (638)
- Phylum Ectoprocta accepted as Bryozoa
- Phylum Entoprocta
- Phylum Gastrotricha (1)
- Phylum Gnathostomulida
- Phylum Hemichordata (6)
- Phylum Kinorhyncha (9)
- Phylum Loricifera
- Phylum Mesozoa accepted as Dicyemida
- Phylum Mollusca (753)
- Phylum Nematoda (396)
- Phylum Nemertea (75)
- Phylum Nemertina represented as Nemertea
- Phylum Platyhelminthes (134)
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera (281)
- Phylum Priapulida (4)
- Phylum Rotifera (163)
- Phylum Tardigrada (80)
- Kingdom Archaea (1)
- Kingdom Bacteria (310)
- Kingdom Chromista (956)
- Kingdom Fungi (740)
- Kingdom Plantae (822)
- Kingdom Protozoa (65)
