Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Diprotodontia Owen, 1866
       Suborder Macropodiformes Ameghino, 1889
         Family Potoroidae Gray, 1821 - rat-kangaroos
           1 Genus Aepyprymnus Garrod, 1875 - rufous "rat"-kangaroo
           2 Genus Bettongia Gray, 1837 - short-nosed "rat"-kangaroos
           3 Genus ‡Caloprymnus Thomas, 1888 - desert "rat"-kangaroo
           4 Genus Potorous Desmarest, 1804 - potoroos