Class Mammalia Linnaeus, 1758 - mammals
   Order Diprotodontia Owen, 1866
     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 Hypsiprymnodon Ramsay, 1876 - musky "rat"-kangaroo
       5 Genus Potorous Desmarest, 1804 - potoroos