Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Infraclass Metatheria Huxley, 1880
       Order Diprotodontia Owen, 1866
         Suborder Macropodiformes Ameghino, 1889
           Superfamily Macropodoidea Gray, 1821
             1 Family Hypsiprymnodontidae Collett, 1877
             2 Family Potoroidae Gray, 1821 - rat-kangaroos
             3 Family Macropodidae Gray, 1821 - wallabies and kangaroos