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 †Allotheria Marsh, 1880 see Clade Allotheria Marsh 1880
         Order †Multituberculata Cope, 1884
           1 Family †Plagiaulacidae Gill, 1872
           2 Family †Bolodontidae Osborn, 1887 see Family Plagiaulacidae Gill, 1872
           3 Family †Hahnodontidae Sigogneau-Russell, 1991
           4 Family †Albionbaataridae Kielan-Jaworowska & Ensom, 1994
           5 Family †Arginbaataridae Hahn & Hahn, 1983
           6 Family †Kogaionidae Rădulescu & Samson, 1996
           7 Suborder †Cimolodonta McKenna, 1975
           8 Suborder †Gondwanatheria Mones, 1987 - gondwanatherians see Order Gondwanatheria Mones, 1987