Phylum [Mollusca] Linnaeus, 1758 - molluscs
   Class Gastropoda Cuvier, 1795 - snails and slugs
     Subclass Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Order Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
         1 Suborder Mesogastropoda Thiele, 1925 - mesogastropods see Suborder Neotaenioglossa Haller, 1882
         2 Suborder Neogastropoda Wenz, 1938 see Infraorder Neogastropoda Wenz, 1938
         3 Suborder Heterogastropoda see Superfamily Heterogastropoda