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