Class Mammalia Linnaeus, 1758 - mammals
   "Eupantotheria" Kermack & Mussett, 1958, incertae sedis [paraphyletic]
     Superorder †Dryolestoidea Butler, 1939
       Order †Dryolestida Prothero, 1981
         1 Family †Dryolestidae Marsh, 1879
         2 Family †Paurodontidae Marsh, 1887
         3 Family †Donodontidae Sigogneau-Russell, 1991 [monotypic]
         4 Family †Mesungulatidae Bonaparte, 1986 [monotypic]
         5 Family †Brandoniidae Bonaparte, 1992