Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Diprotodontia Owen, 1866
       Suborder Macropodiformes Ameghino, 1889
         Family Macropodidae Gray, 1821 - wallabies and kangaroos
           Subfamily Macropodinae Gray, 1821
             Genus Petrogale Gray, 1837 - rock wallabies
               Petrogale lateralis Gould, 1842 - black-footed rock wallaby
                 1 [Petrogale lateralis lateralis]ᵀ Gould, 1842
                 2 Petrogale lateralis hacketti Thomas, 1905
                 3 Petrogale lateralis pearsoni Thomas, 1922