Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Diprotodontia Owen, 1866
       Suborder Phalangeriformes Szalay, 1982
         Superfamily Petauroidea Bonaparte, 1838
           Family Pseudocheiridae Winge, 1893
             Subfamily Hemibelideinae Kirsch et al., 1997
               Genus Hemibelideus (Collett, 1884) - brush-tipped ring-tailed possum
                 Hemibelideus lemuroides (Collett, 1884) - brush-tipped ring-tailed possum