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)
- Phylum Annelida (119)
- Phylum Arthropoda (168)
- Phylum Bryozoa (3)
- Phylum Chaetognatha (2)
- Phylum Chordata (276)
- Phylum Cnidaria (5)
- Phylum Ctenophora (3)
- Phylum Echinodermata (7)
- Phylum Kinorhyncha (2)
- Phylum Mollusca (70)
- Class Bivalvia (36)
- Subclass Autobranchia (36)
- Infraclass Heteroconchia (32)
- Subterclass Euheterodonta (32)
- Superorder Imparidentia (32)
- Order Adapedonta (2)
- Order Cardiida (10)
- Superfamily Cardioidea Lamarck, 1809 (2)
- Superfamily Tellinoidea Blainville, 1814 (8)
- Family Donacidae J. Fleming, 1828 (1)
- Family Semelidae Stoliczka, 1870 (1825) (4)
- Family Tellinidae Blainville, 1814 (3)
- Subfamily Macominae Olsson, 1961 (1)
- Genus Limecola T. Brown, 1844 accepted as Macoma Leach, 1819
- Genus Macoma Leach, 1819 (1)
- Subfamily Tellininae Blainville, 1814 (2)
- Order Galeommatida (2)
- Order Myida (8)
- Order Venerida (10)
- Subterclass Heterodonta
- Infraclass Pteriomorphia (4)
- Class Cephalopoda (4)
- Class Gastropoda (29)
- Class Polyplacophora (1)
- Phylum Nematoda (1)
- Phylum Platyhelminthes (1)
- Phylum Porifera (2)
- Phylum Rotifera (22)
- Kingdom Bacteria (5)
- Kingdom Chromista (179)
- Kingdom Plantae (14)
- Kingdom Protozoa