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 Diplommatinidae Pfeiffer, 1856
               1 Subfamily Diplommatininae Pfeiffer, 1856
               2 Subfamily Cochlostomatinae Kobelt, 1902 [monotypic]
               3 Subfamily Pollicariinae Thiele, 1929 [monotypic] see Subfamily Pupinellinae Kobelt, 1902