Eukaryota Chatton, 1925 - eukaryotes see Domain Eukaryota Chatton, 1925
   Opisthokonta Cavalier-Smith, 1987 - opisthokonts see Clade Opisthokonta Cavalier-Smith 1987, nom. cl. inval.
     Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
       Eumetazoa Bütschli, 1910 - eumetazoans
         Triploblastica see [unranked] Bilateria Hatschek, 1888
           Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
             Protostomia Grobben, 1908 see Infrakingdom Protostomia Grobben, 1908
               Lophotrochozoa Halanych, Bacheller, Aguinaldo, Liva, Hillis & Lake 1995 - lophotrochozoans
                 Spiralia Schleip, 1929 - spiralians see Superphylum Spiralia Schleip, 1929
                   Trochozoa Beklemischev, 1944 - trochozoans
                     Phylum Mollusca Linnaeus, 1758 - molluscs
                       Eumollusca
                         Conchifera Gegenbaur, 1878 see Subphylum Conchifera Gegenbauer, 1878
                           Ganglioneura Rudophi, 1812
                             Rhacopoda see [unranked] Conchifera Gegenbaur, 1878
                               Class Gastropoda Cuvier, 1795 - snails and slugs
                                 prosobranchs see Class Gastropoda Cuvier, 1795
                                   Order Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
                                     mesogastropods see Suborder Neotaenioglossa Haller, 1882
                                       01 Superfamily Cerithioidea Fleming, 1822
                                       02 Superfamily Vermetoidea Rafinesque, 1815 - worm snails
                                       03 Superfamily Littorinoidea Children, 1834
                                       04 Superfamily Rissoidea see Superfamily Rissooidea Gray, 1847
                                       05 Superfamily Stromboidea Rafinesque, 1815
                                       06 Superfamily Xenophoroidea Troschel, 1852 (1840)
                                       07 Superfamily Calyptraeoidea Lamarck, 1809
                                       08 Superfamily Cypraeoidea Rafinesque, 1815
                                       09 Superfamily Velutinoidea Gray, 1840
                                       10 Superfamily Naticoidea Guilding, 1834
                                       11 Superfamily Tonnoidea Suter, 1913 (1825)
                                       12 Superfamily Carinarioidea H.M.D. de Blainville, 1818 see Superfamily Pterotracheoidea Rafinesque, 1814
                                       12.0 Superfamily Heteropoda Lamarck, 1812 see Superfamily Pterotracheoidea Rafinesque, 1814
                                       13 Superfamily Epitonioidea Berry, 1910 (1812)
                                       14 Superfamily Eulimoidea Philippi, 1853