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 Ptenoglossa Gray, 1853 see Infraorder Ptenoglossa Gray, 1853
           Family Triphoridae Gray, 1847
             Subfamily Triphorinae Gray, 1847
               01 Genus Triphora Blainville, 1828
               02 Genus Aclophora Laseron, 1958
               03 Genus Aclophoropsis Marshall, 1983
               04 Genus Bouchetriphora Marshall, 1983
               05 Genus Cautor Finlay, 1926
               06 Genus Cautotriphora Laws, 1940
               07 Genus Cheirodonta Marshall, 1983
               08 Genus Cosmotriphora Olsson & Harbison, 1953
               09 Genus Euthymella Thiele, 1929
               10 Genus Eutriphora Cotton & Godfrey, 1931
               11 Genus Hedleytriphora Marshall, 1983
               12 Genus Hypotriphora Cotton & Godfrey, 1931
               13 Genus Iniforis Jousseaume, 1884
               14 Genus Isotriphora Cotton & Godfrey, 1931
               15 Genus Latitriphora Marshall, 1983
               16 Genus Liniphora Laseron, 1958
               17 Genus Litharium Dall, 1924
               18 Genus Magnosinister Laseron, 1954
               19 Genus Marshallora Bouchet, 1984
               20 Genus Mastonia Hinds, 1843
               21 Genus Mastoniaeforis Jousseaume, 1884
               22 Genus Mesophora Laseron, 1958
               23 Genus Monophorus Grillo, 1877
               24 Genus Nanaphora Laseron, 1958
               25 Genus Nototriphora Marshall, 1983
               26 Genus Obesula Jousseaume, 1897
               27 Genus Opimaphora Laseron, 1958
               28 Genus Risbecia Kosuge, 1966, nom. illeg.
               29 Genus Sagenotriphora Marshall, 1983
               30 Genus Similiphora Bouchet, 1984
               31 Genus Strobiligera Dall, 1924
               32 Genus Subulophora Laseron, 1958
               33 Genus Sychar Hinds, 1843
               34 Genus Talophora Gründel, 1975
               35 Genus Teretriphora Finlay, 1926
               36 Genus Tetraphora Laseron, 1958
               37 Genus Viriola Jousseaume, 1884
               38 Genus Viriolopsis Marshall, 1983