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 Superfamily Clavacea Family Architectonicidae Gray, 1850 Genus Pseudomalaxis Fischer, 1885 1 †Pseudomalaxis punjabensis F.E. Eames, 1952