Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Order Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
         Suborder Neotaenioglossa Haller, 1882 see Order Sorbeoconcha Ponder & Lindberg, 1997
           Superfamily Cypraeoidea Rafinesque, 1815 [monotypic]
             Family Cypraeidae Rafinesque, 1815 - cowries
               Subfamily Cypraediinae Schilder, 1927 [monotypic]
                 1 Genus †Cypraedia Swainson, 1840
                 2 Genus Sphaerocypraea Schilder, 1927
                 3 Genus †Eocypraea Cossmann, 1903
                 4 Genus †Eovolva Schilder, 1932
                 5 Genus †Transovula de Gregorio, 1880
                 6 Genus †Eotrivia Schilder, 1924