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 Erroneinae Schilder, 1927
                 Tribe Cypraeovulini Schilder, 1927
                   1 Genus †Notoluponia Schilder, 1935
                   2 Genus Cypraeovula Gray, 1824
                   3 Genus Luponia Gray, 1837
                   4 Genus Guttacypraea Iredale, 1935
                   5 Genus Notocypraea Schilder, 1927
                   6 Genus Thelxinovum Iredale, 1931
                   7 Genus Umbilia Jousseaume, 1884