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
               Subfamily Diplommatininae Pfeiffer, 1856
                 01 Genus Diplommatina Benson, 1849
                 02 Genus Adelopoma Döring, 1885
                 03 Genus Anostomella Martens, 1867
                 04 Genus Arinia Adams & Adams, 1856
                 05 Genus Clostophis Benson, 1860
                 06 Genus Diancta Martens, 1865
                 07 Genus Gastroptychia Kobelt & Möllendorff, 1900
                 08 Genus Helicomorpha Möllendorff, 1890
                 09 Genus Hungerfordia Beddome, 1889
                 10 Genus Nicida Blanford, 1868
                 11 Genus Opisthostoma Blanford & Blanford, 1860
                 12 Genus Palaina Semper, 1865
                 13 Genus Pseudopalaina Möllendorff, 1897
                 14 Genus Velepalaina Iredale, 1937