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
         Suborder Architaenioglossa Haller, 1890
           Superfamily Cyclophoroidea Gray, 1847
             Family Pupinidae Pfeiffer, 1853
               1 Genus Ischurostoma Bourguignat, 1874
               2 Subfamily Pupininae Pfeiffer, 1853
               3 Subfamily Pupinellinae Kobelt, 1902