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
Genus †Proadusta Sacco, 1894