living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Mammalia Linnaeus, 1758 - mammals
               Subclass Theria Parker & Haswell, 1897
                 Infraclass Metatheria Huxley, 1880
                   Superorder Marsupialia Jameson, 1818 see Cohort Marsupialia Jameson, 1818
                     Order Diprotodontia Owen, 1866
                       1 Family Phalangeridae Thomas, 1888 - possums and cuscuses
                       2 Family Burramyidae Broom, 1898 - pygmy possums
                       3 Family Petauridae Bonaparte, 1838 - gliding, ring-tailed, and striped possums
                       4 Family Macropididae see Family Macropodidae Gray, 1821
                       4 Family Macropodidae Gray, 1821 - wallabies and kangaroos
                       5 Family Phascolarctidae Owen, 1839
                       6 Family Vombatidae Burnett, 1830 - wombats
                       7 Family Tarsipedidae Gervais & Verreaux, 1842