Mammaliaformes Rowe 1988
   [crown] Class Mammalia Linnaeus, 1758 - mammals
     Subclass Theriiformes Rowe, 1988 see Division Theriiformes Rowe, 1988
       Infraclass Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg, 1995 see Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
         Superlegion Trechnotheria McKenna, 1975 see Clade Trechnotheria McKenna 1975
           Legion †Symmetrodonta Simpson, 1925 - symmetrodonts see Infraclass Symmetrodonta Simpson, 1925
             Order †Amphidontoidea Prothero, 1981
               Family †Amphidontidae Simpson, 1925
                 1 Genus †Nakunodon Yadagiri, 1985
                 2 Genus †Amphidon Simpson, 1925
                 3 Genus †Manchurodon Yabe & Shikama, 1938
                 4 Genus †Gobiodon Trofimov, 1980, nom. illeg. see Genus Gobiotheriodon Trofimov, 1997