Phylum [Mollusca] Linnaeus, 1758 - molluscs Class Gastropoda Cuvier, 1795 - snails and slugs Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795 Order Archaegastropoda see Order Archaeogastropoda Thiele, 1925 Superfamily Trochacea see Superfamily Trochoidea Rafinesque, 1815 Family Angariidae Thiele, 1924 see Subfamily Angariinae Gray, 1857 Genus Angaria Röding, 1798