Mammalia Linnaeus 1758 [Rowe 2020]
   Theria Parker & Haswell 1897 [McKenna 1975] see Subclass Theria Parker & Haswell, 1897
     Metatheria Huxley 1880 [O'Leary, Allard, Novacek, Meng & Gatesy 2004] see Infraclass Metatheria Huxley, 1880
       Marsupialiformes Vullo, Gheerbrant, de Muizon & Néraudeau, 2009
         †Ameridelphia Szalay 1982
           Sudameridelphia Szalay 1994
             Notometatheria Kirsch, Lapointe & Springer 1997
               Marsupialia Jameson 1818 [O'Leary, Allard, Novacek, Meng & Gatesy 2004] see Cohort Marsupialia Jameson, 1818
                 Australidelphia Szalay 1982 see Magnorder Australidelphia Szalay, 1982
                   1.1.1 Genus Notoryctes Stirling, 1891 - marsupial "mole"
                   1.1.2.1 Genus Echymipera Lesson, 1842 - New Guinean spiny bandicoots
                   1.1.2.2 Genus Perameles Geoffroy Saint-Hilaire, 1804 - long-nosed bandicoots
                   1.2.1 Genus Dasyurus Geoffroy Saint-Hilaire, 1796 - native "cats", tiger "cats"
                   1.2.2 Genus Dasyuroides Spencer, 1896 - kowari
                   2.1 Microbiotheria Ameghino, 1889
                   2.2 Diprotodontia Owen, 1866