Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Diprotodontia Owen, 1866
       Suborder Phalangeriformes Szalay, 1982
         Superfamily Phalangeroidea Thomas, 1888 see Suborder Phalangeriformes Szalay, 1982
           Family Phalangeridae Thomas, 1888 - possums and cuscuses
             Subfamily Ailuropinae Flannery et al., in M. Archer, ed., 1987
               Genus Ailurops Wagler, 1830
                 Ailurops ursinus (Temminck, 1824) - bear cuscus
                   Ailurops ursinus furvus (Miller & Hollister, 1922)