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 Onychogalea Gray, 1841 - nail-tailed wallabies
               1 Onychogalea fraenata (Gould, 1840[1841]) - bridled nailtail wallaby
               2 ‡Onychogalea lunata (Gould, 1840[1841]) - crescent nailtail wallaby
               3 Onychogalea unguifera (Gould, 1840[1841]) - northern nailtail wallaby