Mammaliaformes Rowe 1988, nom. cl. inval. see Clade Mammaliaformes Rowe 1988 [Rowe 2020]
   [crown clade] Mammalia Linnaeus, 1758 - mammals
     Theriiformes Rowe, 1988 see Division Theriiformes Rowe, 1988
       Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg, 1995 see Clade Holotheria Wible, Rougier, Novacek, McKenna & Dashzeveg 1995
         Trechnotheria McKenna, 1975 see Clade Trechnotheria McKenna 1975
           Cladotheria McKenna, 1975 see Clade Cladotheria McKenna 1975
             Zatheria McKenna, 1975 see Clade Zatheria McKenna 1975
               Tribosphenida McKenna, 1975 see Subclass Boreosphenida Luo, Cifelli & Kielan-Jaworowska, 2001
                 [crown clade] Theria Parker & Haswell, 1897 - therians see Subclass Theria Parker & Haswell, 1897
                   Marsupialia Jameson, 1818 - marsupials
                     Australidelphia Szalay, 1982
                       Eometatheria Simpson, 1970
                         Syndactyli Gill, 1871
                           Diprotodontia Owen, 1866
                             Phalangeroidea Thomas, 1888 see Suborder Phalangeriformes Szalay, 1982
                               Macropodidae Gray, 1821 - wallabies and kangaroos
                                 Macropodinae Gray, 1821
                                   Wallabia Trouessart, 1905 - swamp wallaby