Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Infraclass Metatheria Huxley, 1880
       Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818
         Superfamily Phalangeroidea Thomas, 1888 see Suborder Phalangeriformes Szalay, 1982
           1 Family Phalangeridae Thomas, 1888 - possums and cuscuses
           2 Family Phascolomyidae Goldfuss, 1820 see Family Vombatidae Burnett, 1830
           3 Family Macropodidae Gray, 1821 - wallabies and kangaroos