Between brackets is the number of accepted species

Click on "-" to collapse/hide all child taxa
Shows the number of accepted species within the taxon
The last expanded taxon is highlighted
Click on "+" to expand/show all child taxa
Click to see the taxon details page
- Mollusca (132 791)
- Subphylum Aculifera
- Subphylum Conchifera
- Subphylum Placophora accepted as Polyplacophora
- Superclass Aplacophora
- Class Amphineura accepted as Aculifera
- Class Bivalvia (25 009)
- Class Caudofoveata (143)
- Class Cephalopoda (1 834)
- Class Conchifera accepted as Bivalvia
- Class Cricoconarida † (1)
- Class Gastropoda (102 697)
- Subclass Amphigastropoda † (390)
- Subclass Angiogastropoda represented as Gastropoda
- Subclass Apogastropoda
- Subclass Caenogastropoda (53 636)
- Subterclass Sorbeoconcha (147)
- Superorder Hypsogastropoda
- Order Architaenioglossa (4 918)
- Order Caenogastropoda incertae sedis (7 676)
- Order Littorinimorpha (17 179)
- Superfamily Calyptraeoidea Lamarck, 1809 (203)
- Superfamily Capuloidea J. Fleming, 1822 (218)
- Superfamily Cassoidea accepted as Tonnoidea Suter, 1913 (1825)
- Superfamily Cingulopsoidea Fretter & Patil, 1958 (193)
- Superfamily Crepiduloidea J. Fleming, 1822 accepted as Calyptraeoidea Lamarck, 1809
- Superfamily Cypraeoidea Rafinesque, 1815 (1 285)
- Superfamily Eulimoidea R. A. Philippi, 1853 accepted as Vanikoroidea Gray, 1840
- Superfamily Ficoidea Meek, 1864 (1840) (71)
- Superfamily Heteropoda Lamarck, 1812 accepted as Pterotracheoidea Rafinesque, 1814
- Superfamily Hipponicoidea Troschel, 1861 (99)
- Superfamily Littorinoidea Children, 1834 (1 372)
- Superfamily Naticoidea Guilding, 1834 (688)
- Family Naticidae Guilding, 1834 (688)
- Subfamily Globisininae A. W. B. Powell, 1933 (24)
- Subfamily Naticidae incertae sedis (8)
- Subfamily Naticinae Guilding, 1834 (261)
- Genus Aloconatica Shikama, 1971 accepted as Stigmaulax Mörch, 1852
- Genus Boreonatica A. N. Golikov & Kussakin, 1974 accepted as Cryptonatica Dall, 1892
- Genus Cochlis Röding, 1798 (8)
- Genus Cryptonatica Dall, 1892 (19)
- Genus Eunatica Melvill, 1899 accepted as Natica (Eunatica) Melvill, 1899
- Genus Glyphepithema Rehder, 1943 (1)
- Genus Lunaia S. S. Berry, 1964 accepted as Natica Scopoli, 1777
- Genus Nacca Risso, 1826 accepted as Natica Scopoli, 1777
- Genus Natica Scopoli, 1777 (130)
- Genus Naticarinus [sic] accepted as Naticarius Duméril, 1805
- Genus Naticarius Duméril, 1805 (21)
- Genus Naticus Montfort, 1810 accepted as Naticarius Duméril, 1805
- Genus Notocochlis A. W. B. Powell, 1933 (13)
- Genus Paratectonatica Azuma, 1961 (1)
- Genus Pristinacca H. J. Finlay & Marwick, 1937 accepted as Taniella H. J. Finlay & Marwick, 1937 †
- Genus Proxiuber A. W. B. Powell, 1933 (7)
- Genus Quantonatica Iredale, 1936 (1)
- Genus Stigmaulax Mörch, 1852 (5)
- Genus Tanea Marwick, 1931 (21)
- Genus Taniella H. J. Finlay & Marwick, 1937 † (11)
- Genus Tasmatica Finlay & Marwick, 1937 (3)
- Genus Tectonatica Sacco, 1890 (20)
- Species Tectonatica affinis (Gmelin, 1791) accepted as Cryptonatica affinis (Gmelin, 1791)
- Species Tectonatica aleutica (Dall, 1919) accepted as Cryptonatica aleutica Dall, 1919
- Species Tectonatica anistratenkorum Pedriali, Sosso & Dell'Angelo, 2019 †
- Species Tectonatica antilleana Weisbord, 1962 †
- Species Tectonatica bougei (G. B. Sowerby III, 1908)
- Species Tectonatica clausa (Broderip & G. B. Sowerby I, 1829) accepted as Cryptonatica affinis (Gmelin, 1791)
- Species Tectonatica clausiformis Oyama, 1969 accepted as Cryptonatica affinis (Gmelin, 1791)
- Species Tectonatica filosa (R. A. Philippi, 1845) accepted as Tectonatica sagraiana (A. d'Orbigny, 1842)
- Species Tectonatica flammulata (Requien, 1848) accepted as Tectonatica sagraiana (A. d'Orbigny, 1842)
- Species Tectonatica gatliffi (Chapman & Crespin, 1928) †
- Species Tectonatica hirasei (Pilsbry, 1905) accepted as Cryptonatica hirasei (Pilsbry, 1905)
- Species Tectonatica impervia (R. A. Philippi, 1845)
- Species Tectonatica janthostoma (Deshayes, 1839) accepted as Cryptonatica janthostoma (Deshayes, 1839)
- Species Tectonatica janthostomoides Kuroda & T. Habe, 1949 accepted as Cryptonatica janthostomoides (Kuroda & T. Habe, 1949)
- Species Tectonatica lactinea (X.-T. Ma & S.-P. Zhang, 1993)
- Species Tectonatica micra (F. Haas, 1953)
- Species Tectonatica miopusilla (Kautsky, 1925) †
- Species Tectonatica occulta (Deshayes, 1864) †
- Species Tectonatica operculata (Jeffreys, 1885) accepted as Cryptonatica operculata (Jeffreys, 1885)
- Subspecies Tectonatica operculata farolita F. Nordsieck, 1973 accepted as Notocochlis dillwynii (Payraudeau, 1826)
- Species Tectonatica prietoi (Hidalgo, 1873)
- Species Tectonatica pseudoprietoi Pedriali, Sosso & Dell'Angelo, 2019 †
- Species Tectonatica pusilla (Say, 1822)
- Species Tectonatica ranzii Kuroda, 1961 accepted as Cryptonatica ranzii (Kuroda, 1961)
- Species Tectonatica rikuzenensis Tiba, 1985 accepted as Cryptonatica ranzii (Kuroda, 1961)
- Species Tectonatica rizzae (R. A. Philippi, 1844)
- Species Tectonatica robillardi (G. B. Sowerby III, 1894)
- Species Tectonatica russa (A. Gould, 1859) accepted as Cryptonatica russa (A. Gould, 1859)
- Species Tectonatica sagraiana (A. d'Orbigny, 1842)
- Species Tectonatica shorehami (Pritchard & Gatliff, 1900)
- Species Tectonatica suffusa (Reeve, 1855)
- Species Tectonatica tecta (Anton, 1838)
- Species Tectonatica tectula (Sacco, 1890) †
- Species Tectonatica unicolor (X.-T. Ma & S.-P. Zhang, 1993) accepted as Tectonatica lactinea (X.-T. Ma & S.-P. Zhang, 1993)
- Species Tectonatica venezuelana Weisbord, 1962 †
- Species Tectonatica venustula (R. A. Philippi, 1851) accepted as Notocochlis venustula (R. A. Philippi, 1851)
- Species Tectonatica violacea (G. B. Sowerby I, 1825)
- Species Tectonatica zonulata (Thiele, 1930)
- Subfamily Polinicinae J. E. Gray, 1847 (263)
- Subfamily Sininae Woodring, 1928 (82)
- Genus Amauropsina Chelot, 1885 † (3)
- Genus Amauropsona H. J. Finlay & Marwick, 1937 † (2)
- Genus Austrocochlis H. J. Finlay & Marwick, 1937 † (2)
- Genus Bensonia J. E. Gray, 1847 accepted as Laguncula W. H. Benson, 1842
- Genus Benthobulbus J. H. McLean, 1995 (2)
- Genus Carinacca Marwick, 1924 † (4)
- Genus Cepatia J. E. Gray, 1842 † (2)
- Genus Darwinices Griffin & Pastorino, 2013 † (3)
- Genus Laguncula W. H. Benson, 1842 (1)
- Genus Magnatica Marwick, 1924 † (13)
- Genus Maxwellinatica Beu & B. A. Marshall, 2011 † (1)
- Genus Nanggulania K. Martin, 1914 † (1)
- Genus Natiria de Koninck, 1881 † (1)
- Genus Pliconacca K. Martin, 1914 † (6)
- Genus Polinella Marwick, 1931 † (9)
- Genus Prisconatica Gabb, 1877 †
- Genus Scarlatia Schileyko, 1977 accepted as Laguncula W. H. Benson, 1842
- Genus Uba [sic] † accepted as Uber R. A. Philippi, 1853
- Family Polynicidae [sic!] accepted as Polinicinae J. E. Gray, 1847
- Superfamily Pterotracheoidea Rafinesque, 1814 (63)
- Superfamily Rissoacea accepted as Rissooidea Gray, 1847
- Superfamily Rissoinoidea W. Stimpson, 1865 accepted as Rissooidea Gray, 1847
- Superfamily Rissooidea Gray, 1847 (2 311)
- Superfamily Stromboidea Rafinesque, 1815 (835)
- Superfamily Tonnoidea Suter, 1913 (1825) (788)
- Superfamily Truncatelloidea J. E. Gray, 1840 (6 902)
- Superfamily Vanikoroidea Gray, 1840 (1 331)
- Superfamily Velutinoidea Gray, 1840 (648)
- Superfamily Vermetoidea Rafinesque, 1815 (172)
- Superfamily Xenophoroidea Troschel, 1852 (1840) accepted as Stromboidea Rafinesque, 1815
- Order Neogastropoda (23 716)
- Order Stenoglossa accepted as Neogastropoda
- Subclass Gastropoda incertae sedis (308)
- Subclass Heterobranchia (39 156)
- Subclass Neomphaliones accepted as Vetigastropoda
- Subclass Neritimorpha (1 914)
- Subclass Orthogastropoda represented as Gastropoda
- Subclass Patellogastropoda (511)
- Subclass Prosobranchia
- Subclass Psilogastropoda represented as Gastropoda
- Subclass Vetigastropoda (6 782)
- Class Lamellibranchiata accepted as Bivalvia
- Class Loricata accepted as Polyplacophora
- Class Mollusca incertae sedis † (372)
- Class Monoplacophora (229)
- Class Pelecypoda accepted as Bivalvia
- Class Polyplacophora (1 377)
- Class Polyplaxiphora accepted as Polyplacophora
- Class Rostroconchia † (64)
- Class Scaphopoda (752)
- Class Solenoconchia accepted as Scaphopoda
- Class Solenogastres (313)
- Subclass Chaetodermomorpha accepted as Caudofoveata