Class Mammalia Linnaeus, 1758 - mammals
   †"Symmetrodontans" Simpson, 1925, incertae sedis see Infraclass Symmetrodonta Simpson, 1925
     Family †Amphidontidae Simpson, 1925
       ?Genus †Manchurodon Yabe & Shikama, 1938 [monotypic]
         1 †Manchurodon simplicidens Yabe & Shikama, 1938