Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Craniata Linnaeus, 1758 see Subphylum Vertebrata Cuvier, 1812
     Class Mammalia Linnaeus, 1758 - mammals
       Subclass Theria Parker & Haswell, 1897
         Infraclass Marsupialia Jameson, 1818 see Cohort Marsupialia Jameson, 1818
           Order Diprotodontia Owen, 1866
             Suborder Phalangeriformes Szalay, 1982
               Superfamily Phalangeroidea Thomas, 1888 see Suborder Phalangeriformes Szalay, 1982
                 1 Family Burramyidae Broom, 1898 - pygmy possums
                 2 Family Phalangeridae Thomas, 1888 - possums and cuscuses