Phylum [Mollusca] Linnaeus, 1758 - molluscs Class Gastropoda Cuvier, 1795 - snails and slugs Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795 Order Mesogastropoda Thiele, 1925 - mesogastropods see [unranked] mesogastropods 1 Suborder Taenioglossa see Order Mesogastropoda Thiele, 1925 2 Superfamily Naticacea Forbes, 1838 see Superfamily Naticoidea Guilding, 1834 3 Suborder Gymnoglossa see Order Mesogastropoda Thiele, 1925