Class Mammalia Linnaeus, 1758 - mammals
   Order Marsupialia Jameson, 1818 - marsupials see Cohort Marsupialia Jameson, 1818
     Family Macropodidae Gray, 1821 - wallabies and kangaroos
       Genus Potorous Desmarest, 1804 - potoroos
         Potorous tridactylus (Kerr, in Linnaeus, 1792) - long-nosed potoroo
           1 Potorous tridactylus apicalis (Gould, 1851)
           2 ‡Potorous tridactylus gilberti (Gould, 1841) - Gilbert's potoroo see Potorous gilbertii (Gould, 1841)