Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Mammalia Linnaeus, 1758 - mammals
               Subclass Metatheria Huxley, 1880 see Infraclass Metatheria Huxley, 1880
                 Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818
                   1 Family Didelphidae Gray, 1821 - American opossums
                   2 Family Dasyuridae Goldfuss, 1820 - marsupial "mice" and "cats", and Tasmanian devil
                   3 Family Myrmecobiidae Waterhouse, 1841
                   4 Family Notoryctidae Ogilby, 1892
                   5 Family Peramelidae Gray, 1825 - bandicoots
                   6 Family Caenolestidae Trouessart, 1898 - "shrew" opossums
                   7 Family Phalangeridae Thomas, 1888 - possums and cuscuses
                   8 Family Vombatidae Burnett, 1830 - wombats
                   9 Family Macropodidae Gray, 1821 - wallabies and kangaroos