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 Neritacea see Superfamily Neritoidea Rafinesque, 1815 Family Neritidae Rafinesque, 1815 - nerites Subfamily Smaragdiinae Baker, 1923 Genus Smaragdia Issel, 1869