Phylum [Vertebrata] Lamarck, 1801 see Infraphylum Vertebrata Lamarck, 1801
   Class Mammalia Linnaeus, 1758 - mammals
     Subclass Theria Parker & Haswell, 1897
       Infraclass Eutheria Gill, 1872
         Cohort Epitheria McKenna, 1975
           Superorder Tethytheria McKenna, 1975
             Order Proboscidea Owen, 1859 - elephants
               Suborder Elephantoidea Osborn, 1921 see Suborder Elephantiformes (Tassy, 1988)
                 Family †Gomphotheriidae Hay, 1922 - gomphotheres
                   1 Genus †Amebelodon Barbour, 1927
                   2 Genus †Anuncus orth. inval. see Genus Anancus Aymard, 1855
                   3 Genus †Cuvieronius Osborn, 1923
                   4 Genus †Gomphotherium Burmeister, 1837
                   5 Genus †Phiomia Andrews & Beadnell, 1902
                   6 Genus †Platybelodon Borissiak, 1928
                   7 Genus †Stegomastodon Pohlig, 1912