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 Erosariini Schilder, 1924 see Subfamily Erosariinae Schilder, 1924
                   1 Genus Monetaria Troschel, 1863
                   2 Genus Naria Gray, 1837
                   3 Genus Erosaria Troschel, 1863
                   4 Genus Staphylaea Jousseaume, 1884
                   5 Genus Purperosa Iredale, 1935
                   6 Genus Eustaphylaea Steadman & Cotton, 1946
                   7 Genus Nucleolaria Oyama, 1959