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
             Potorous tridactylus (Kerr, in Linnaeus, 1792) - long-nosed potoroo
               [Potorous tridactylus tridactylus]ᵀ (Kerr, in Linnaeus, 1792)