Vertebrata Cuvier, 1812 - vertebrates
   Gnathostomata
     Teleostomi
       Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
         Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
           Class Mammalia Linnaeus, 1758 - mammals
             Subclass Theria Parker & Haswell, 1897
               Infraclass †Trituberculata
                 Order †Eupantotheria Kermack & Mussett, 1958
                   1 Family †Amphitheriidae Owen, 1846
                   2 Family †Peramuridae Kretzoi, 1946
                   3 Family †Paurodontidae Marsh, 1887
                   4 Family †Dryolestidae Marsh, 1879