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 Superfamily Cingulopsoidea Fretter & Patil, 1958
         2 Superfamily Rissooidea Gray, 1847
         3 Superfamily Ampullarioidea Gray, 1824
         4 Suborder Architaenioglossa Haller, 1890
         5 Suborder Neotaenioglossa Haller, 1882 see Order Sorbeoconcha Ponder & Lindberg, 1997
         6 Suborder Heteropoda Lamarck, 1812
         7 Suborder Ptenoglossa Gray, 1853 see Infraorder Ptenoglossa Gray, 1853