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 Erosariinae Schilder, 1924
                 Tribe Pustulariini Gill, 1871
                   1 Genus Annepona Iredale, 1935
                   2 Genus Pustularia Swainson, 1840
                   3 Genus Ipsa Jousseaume, 1884
                   4 Genus †Austrocypraea Cossmann, 1903
                   5 Genus †Proadusta Sacco, 1894
                   6 Genus †Conocypraea Oppenheim, 1901
                   7 Genus Propustularia Schilder, 1927