Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Diprotodontia Owen, 1866
       Suborder Macropodiformes Ameghino, 1889
         Family Potoroidae Gray, 1821 - rat-kangaroos
           Genus Potorous Desmarest, 1804 - potoroos
             1 Potorous gilbertii (Gould, 1841)
             2 Potorous longipes Seebeck & Johnston, 1980 - long-footed potoroo
             3 ‡Potorous platyops (Gould, 1844) - broad-faced potoroo
             4 Potorous tridactylus (Kerr, in Linnaeus, 1792) - long-nosed potoroo