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 Suborder Taenioglossa see Order Mesogastropoda Thiele, 1925 Superfamily Cypraeacea see Superfamily Cypraeoidea Rafinesque, 1815 Family Triviidae Troschel, 1863 - trivias Genus Trivirostra Jousseaume, 1884