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 Architaenioglossa Haller, 1890
Superfamily Vermetoidea Rafinesque, 1815 [monotypic] - worm snails
Family Vermetidae Rafinesque, 1815 - worm snails
Genus Serpulorbis Sassi, 1827