Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Order Mesogastropoda Thiele, 1925 - mesogastropods see [unranked] mesogastropods
         Superfamily Cerithiacea Férussac, 1819 see Superfamily Cerithioidea Fleming, 1822
         Superfamily Crepidulacea see Superfamily Calyptraeacea Lamarck, 1809, nom. illeg.
         Superfamily Cyclophoracea Gray, 1847 see Superfamily Cyclophoroidea Gray, 1847
         Superfamily Cypraeacea see Superfamily Cypraeoidea Rafinesque, 1815
         Superfamily Epitoniacea Berry, 1910 see Superfamily Epitonioidea Berry, 1910 (1812)
         Superfamily Eulimacea see Superfamily Eulimoidea Philippi, 1853
         Superfamily Heteropoda Lamarck, 1812 see Superfamily Pterotracheoidea Rafinesque, 1814
         Superfamily Hipponicacea Troschel, 1861 see Superfamily Vanikoroidea Gray, 1840
         Superfamily Littorinacea Gray, 1840 see Superfamily Littorinoidea Children, 1834
         Superfamily Naticacea Forbes, 1838 see Superfamily Naticoidea Guilding, 1834
         Superfamily Rissoacea Gray, 1847 see Superfamily Rissooidea Gray, 1847
         Superfamily Strombacea Rafinesque, 1815 see Superfamily Stromboidea Rafinesque, 1815
         Superfamily Tonnacea Suter, 1913 see Superfamily Tonnoidea Suter, 1913 (1825)
         Superfamily Triphoracea see Superfamily Triphoroidea Gray, 1847
         Superfamily Valvatacea Blake, 1987 see Superfamily Valvatoidea Gray, 1840
         Superfamily Viviparacea see Superfamily Viviparoidea Gray, 1847 (1833)
         Superfamily Xenophoracea see Superfamily Xenophoroidea Troschel, 1852 (1840)