Between brackets is the number of accepted extant species
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Shows the number of accepted extant species within the taxon
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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)
- 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)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Bivalvia (125)
- Class Caudofoveata (1)
- Class Cephalopoda (80)
- Class Gastropoda (426)
- Subclass Caenogastropoda (274)
- Subterclass Sorbeoconcha
- Superorder Hypsogastropoda
- Order Caenogastropoda incertae sedis (23)
- Order Littorinimorpha (115)
- Order Neogastropoda (136)
- Superfamily Buccinoidea Rafinesque, 1815 (61)
- Family Austrosiphonidae Cotton & Godfrey, 1938 (1)
- Family Buccinidae Rafinesque, 1815
- Family Colidae J. E. Gray, 1857 (1)
- Family Cominellidae J. E. Gray, 1857 (2)
- Family Nassariidae Iredale, 1916 (1835) (1)
- Family Prosiphonidae A. W. B. Powell, 1951 (56)
- Genus Antarctodomus Dell, 1972 (1)
- Genus Antistreptus Dall, 1902 (3)
- Genus Bathydomus Thiele, 1912 (1)
- Genus Chlanidota E. von Martens, 1878 (8)
- Genus Chlanidotella Thiele, 1929 (1)
- Genus Chlanificula A. W. B. Powell, 1958 (1)
- Genus Falsimohnia A. W. B. Powell, 1951 (7)
- Genus Falsitromina Dell, 1990 (3)
- Genus Meteuthria Thiele, 1912 (2)
- Genus Neobuccinum E. A. Smith, 1879 (1)
- Genus Probuccinum Thiele, 1912 (4)
- Genus Proneptunea Thiele, 1912 (3)
- Genus Prosipho Thiele, 1912 (20)
- Species Prosipho amiantus P. G. Oliver & Picken, 1984
- Species Prosipho antarctidis (Pelseneer, 1903)
- Species Prosipho astrolabiensis (Strebel, 1908)
- Species Prosipho aurora Hedley, 1916 accepted as Prosipho crassicostatus (Melvill & Standen, 1907)
- Species Prosipho cancellatus E. A. Smith, 1915 accepted as Prosipho nodosus Thiele, 1912
- Species Prosipho certus Thiele, 1912
- Species Prosipho chordatus (Strebel, 1908)
- Species Prosipho congenitus E. A. Smith, 1915
- Species Prosipho contrarius Thiele, 1912 accepted as Antistreptus contrarius (Thiele, 1912)
- Species Prosipho crassicostatus (Melvill & Standen, 1907)
- Species Prosipho daphnelloides A. W. B. Powell, 1958 accepted as Prosipho elongatus Thiele, 1912
- Species Prosipho elongatus Thiele, 1912
- Species Prosipho gaussianus Thiele, 1912
- Species Prosipho glacialis Thiele, 1912
- Species Prosipho gracilis Thiele, 1912
- Species Prosipho hedleyi A. W. B. Powell, 1958
- Species Prosipho hunteri Hedley, 1916 accepted as Prosipho nodosus Thiele, 1912
- Species Prosipho iodes P. G. Oliver & Picken, 1984
- Species Prosipho macleani Hedley, 1916 accepted as Prosipho mundus E. A. Smith, 1915
- Species Prosipho mundus E. A. Smith, 1915
- Species Prosipho nodosus Thiele, 1912
- Species Prosipho pellitus Thiele, 1912
- Species Prosipho perversus A. W. B. Powell, 1951 accepted as Antistreptus perversus (A. W. B. Powell, 1951)
- Species Prosipho priestleyi (Hedley, 1916) accepted as Prosipho glacialis Thiele, 1912
- Species Prosipho pusillus Thiele, 1912
- Species Prosipho reversus A. W. B. Powell, 1958 accepted as Antistreptus reversus (A. W. B. Powell, 1958)
- Species Prosipho shiraseae Numanami, 1996 accepted as Prosipho nodosus Thiele, 1912
- Species Prosipho similis Thiele, 1912 accepted as Prosipho antarctidis (Pelseneer, 1903)
- Species Prosipho spiralis Thiele, 1912
- Species Prosipho tuberculatus E. A. Smith, 1915
- Species Prosipho turritus P. G. Oliver & Picken, 1984
- Genus Strebela Kantor & Harasewych, 2013 (1)
- Family Tudiclidae Cossmann, 1901
- Superfamily Cancellarioidea Forbes & Hanley, 1851 accepted as Volutoidea Rafinesque, 1815
- Superfamily Conoidea J. Fleming, 1822 (34)
- Superfamily Mitroidea Swainson, 1831
- Superfamily Muricoidea Rafinesque, 1815 (19)
- Superfamily Neogastropoda incertae sedis
- Superfamily Turbinelloidea Swainson, 1835 (6)
- Superfamily Volutoidea Rafinesque, 1815 (16)
- Subclass Heterobranchia (75)
- Subclass Neomphaliones accepted as Vetigastropoda
- Subclass Patellogastropoda (8)
- Subclass Prosobranchia
- Subclass Vetigastropoda (69)
- Class Monoplacophora
- Class Polyplacophora (12)
- Class Scaphopoda (11)
- Class Solenogastres (98)
- Subclass Chaetodermomorpha accepted as Caudofoveata
- 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)
