Phylum [Mollusca] Linnaeus, 1758 - molluscs Class Gastropoda Cuvier, 1795 - snails and slugs Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795 Order Heterogastropoda see Superfamily Heterogastropoda Suborder Ptenoglossa Gray, 1853 see Infraorder Ptenoglossa Gray, 1853 Superfamily Epitoniacea Berry, 1910 see Superfamily Epitonioidea Berry, 1910 (1812) 1 Family Epitoniidae Berry, 1910 (1812) - wentletraps