Mollusca Linnaeus, 1758 - molluscs
   Gastropoda Cuvier, 1795 - snails and slugs
     Prosobranchia Milne-Edwards, 1848 - prosobranchs see Class Gastropoda Cuvier, 1795
       Caenogastropoda Cox, 1960 see Superorder Caenogastropoda Cox, 1960
         Neotaenioglossa Haller, 1882 see Order Sorbeoconcha Ponder & Lindberg, 1997
           Cassoidea Latreille, 1825
             Ranellidae Gray, 1854 - tritons
               Cymatiinae Iredale, 1913 (1854)
                 Linatella Gray, 1857
                   Gelagna Schaufuss, 1869