Mammaliaformes Rowe 1988
   [crown clade] Mammalia Linnaeus, 1758 - mammals
     Theriiformes Rowe, 1988 see Division Theriiformes Rowe, 1988
       †Triconodonta Osborn, 1888 see Order Triconodonta Osborn, 1888
         †Amphilestidae Osborn, 1888
           1 †Liaotherium Zhou, Cheng & Wang, 1991
           2 †Amphilestinae Osborn, 1888 see Family Amphilestidae Osborn, 1888
           3 †Gobiconodontinae Chow & Rich, 1984 see Family Gobiconodontidae Chow & Rich, 1984