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 Heteropoda Lamarck, 1812
Superfamily Carinarioidea H.M.D. de Blainville, 1818
see Superfamily Pterotracheoidea Rafinesque, 1814
Family Atlantidae Rang, 1829
Genus Protatlanta Tesch, 1908