Mammaliaformes Rowe 1988, nom. cl. inval. see Clade Mammaliaformes Rowe 1988 [Rowe 2020]
   [crown] Class Mammalia Linnaeus, 1758 - mammals
     Subclass Theriiformes Rowe, 1988 see Division Theriiformes Rowe, 1988
       Infraclass †Triconodonta Osborn, 1888 see Order Triconodonta Osborn, 1888
         Family †Amphilestidae Osborn, 1888
           1 Genus †Liaotherium Zhou, Cheng & Wang, 1991
           2 Subfamily †Amphilestinae Osborn, 1888 see Family Amphilestidae Osborn, 1888
           3 Subfamily †Gobiconodontinae Chow & Rich, 1984 see Family Gobiconodontidae Chow & Rich, 1984