Between brackets is the number of accepted marine extant species
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Shows the number of accepted marine extant species within the taxon
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- Biota (247 578)
- Kingdom Animalia (211 542)
- Subkingdom Animalia incertae sedis
- Subkingdom Metazoa accepted as Animalia
- Phylum Acanthocephala (516)
- Phylum Annelida (14 107)
- Phylum Arthropoda (59 758)
- Phylum Aschelminthes
- Phylum Brachiopoda (408)
- Phylum Bryozoa (6 545)
- Phylum Cephalorhyncha
- Phylum Chaetognatha (132)
- Phylum Chordata (24 096)
- Phylum Cnidaria (12 578)
- Phylum Ctenophora (184)
- Phylum Cycliophora (2)
- Phylum Dicyemida (122)
- Phylum Echinodermata (7 646)
- Phylum Ectoprocta accepted as Bryozoa
- Phylum Entoprocta (202)
- Phylum Gastrotricha (523)
- Phylum Gnathostomulida (100)
- Phylum Hemichordata (137)
- Phylum Kinorhyncha (348)
- Phylum Loricifera (46)
- Phylum Mesozoa accepted as Dicyemida
- Phylum Mollusca (52 040)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (8 543)
- Subclass Autobranchia (7 798)
- Infraclass Heteroconchia (5 672)
- Subterclass Archiheterodonta (411)
- Subterclass Euheterodonta (5 249)
- Superorder Anomalodesmata (800)
- Superorder Imparidentia (4 449)
- Order Adapedonta (159)
- Superfamily Hiatelloidea J. E. Gray, 1824 (26)
- Superfamily Solenoidea Lamarck, 1809 (133)
- Family Cultellidae A. M. Davies, 1935 accepted as Pharidae H. Adams & A. Adams, 1856
- Family Pharidae H. Adams & A. Adams, 1856 (63)
- Subfamily Cultellinae A. M. Davies, 1935 (29)
- Subfamily Novaculininae Ghosh, 1920 accepted as Pharellinae Stoliczka, 1870
- Subfamily Pharellinae Stoliczka, 1870 (7)
- Subfamily Pharinae H. Adams & A. Adams, 1856 (9)
- Subfamily Siliquinae Bronn, 1862 (18)
- Genus Siliqua Megerle von Mühlfeld, 1811 (18)
- Subgenus Siliqua (Neosiliqua) T. Habe, 1965 represented as Siliqua Megerle von Mühlfeld, 1811
- Species Siliqua albida (A. Adams & Reeve, 1850)
- Species Siliqua alta (Broderip & G. B. Sowerby I, 1829)
- Species Siliqua barnardi M. Huber, 2010
- Species Siliqua costata (Say, 1822)
- Species Siliqua fasciata (Spengler, 1794)
- Species Siliqua floridana Conrad, 1849
- Species Siliqua grayana (Dunker, 1862)
- Species Siliqua herberti M. Huber, 2015
- Species Siliqua inflexa (W. Wood, 1815)
- Species Siliqua intuspurpurea Pilsbry, 1905 accepted as Siliqua alta (Broderip & G. B. Sowerby I, 1829)
- Species Siliqua japonica (Dunker, 1862)
- Species Siliqua lucida (Conrad, 1837)
- Species Siliqua minima (Gmelin, 1791)
- Species Siliqua nuttallii (Conrad, 1837) accepted as Siliqua patula (Dixon, 1789)
- Species Siliqua patula (Dixon, 1789)
- Species Siliqua polita (W. Wood, 1828)
- Species Siliqua pulchella (Dunker, 1852)
- Species Siliqua radiata (Linnaeus, 1758)
- Species Siliqua rostrata (Dunker, 1862)
- Species Siliqua sloati Hertlein, 1961 accepted as Siliqua alta (Broderip & G. B. Sowerby I, 1829)
- Species Siliqua squama (Blainville, 1827)
- Species Siliqua tenerior (Hedley, 1915)
- Species Siliqua winteriana (Dunker, 1852) accepted as Siliqua inflexa (W. Wood, 1815)
- Genus Aulus Oken, 1835 accepted as Siliqua Megerle von Mühlfeld, 1811
- Genus Ceratisolen Forbes, 1848 accepted as Pharus J. E. Gray, 1840
- Genus Cultrensis Coen, 1933 accepted as Phaxas Leach, 1852
- Genus Elizia Gray, 1854 accepted as Orbicularia Deshayes, 1850
- Genus Ensatella Swainson, 1840 accepted as Ensis Schumacher, 1817
- Genus Leguminaria Schumacher, 1817 accepted as Siliqua Megerle von Mühlfeld, 1811
- Genus Machaera A. Gould, 1841 accepted as Siliqua (Neomachaera) M. Huber, 2010
- Genus Neosiliqua T. Habe, 1965 accepted as Siliqua (Neosiliqua) T. Habe, 1965
- Genus Pharus T. Brown, 1844 accepted as Pharus J. E. Gray, 1840
- Genus Solecurtoides Des Moulins, 1832 accepted as Siliqua Megerle von Mühlfeld, 1811
- Genus Subcultellus Ghosh, 1920 accepted as Phaxas Leach, 1852
- Family Solenidae Lamarck, 1809 (70)
- Order Cardiida (1 244)
- Order Galeommatida (604)
- Order Gastrochaenida (32)
- Order Hiatellida represented as Adapedonta
- Order Lucinida (527)
- Order Myacea accepted as Myida
- Order Myida (358)
- Order Sphaeriida (1)
- Order Venerida (1 454)
- Superfamily Cyamioidea G. O. Sars, 1878 (69)
- Superfamily Gaimardioidea Hedley, 1916 accepted as Cyamioidea G. O. Sars, 1878
- Superfamily Grammysioidea S. A. Miller, 1877 † (1)
- Order Anomalodesmacea accepted as Anomalodesmata
- Order Euheterodonta incertae sedis
- Order Pholadomyida represented as Anomalodesmata
- Subterclass Heterodonta
- Subterclass Palaeoheterodonta (12)
- Infraclass Pteriomorphia (2 126)
- Subclass Bivalvia incertae sedis (1)
- Subclass Palaeotaxodonta accepted as Nuculida
- Subclass Protobranchia (744)
- Class Caudofoveata (143)
- Class Cephalopoda (859)
- Class Conchifera accepted as Bivalvia
- Class Gastropoda (40 481)
- Class Lamellibranchiata accepted as Bivalvia
- Class Loricata accepted as Polyplacophora
- Class Mollusca incertae sedis † (4)
- Class Monoplacophora (31)
- Class Pelecypoda accepted as Bivalvia
- Class Polyplacophora (1 085)
- Class Polyplaxiphora accepted as Polyplacophora
- Class Scaphopoda (581)
- Class Solenoconchia accepted as Scaphopoda
- Class Solenogastres (313)
- Subclass Chaetodermomorpha accepted as Caudofoveata
- Phylum Nematoda (6 758)
- Phylum Nematomorpha (5)
- Phylum Nemertea (1 335)
- Phylum Nemertina represented as Nemertea
- Phylum Nemertini accepted as Nemertea
- Phylum Orthonectida (24)
- Phylum Pentastomida accepted as Pentastomida
- Phylum Phoronida (13)
- Phylum Placozoa (4)
- Phylum Platyhelminthes (13 497)
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera (9 475)
- Phylum Priapulida (22)
- Phylum Rotatoria accepted as Rotifera
- Phylum Rotifera (219)
- Phylum Sipunculida accepted as Sipuncula
- Phylum Tardigrada (263)
- Phylum Xenacoelomorpha (437)
- Kingdom Archaea (117)
- Kingdom Bacteria (2 223)
- Kingdom Chromista (20 791)
- Kingdom Fungi (1 432)
- Kingdom Monera represented as Bacteria
- Kingdom Plantae (10 581)
- Kingdom Protozoa (766)
- Kingdom Viruses (115)
