Kingdom [Animalia] Linnaeus, 1758 - animals
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Vertebrata Cuvier, 1812 - vertebrates
       Class Mammalia Linnaeus, 1758 - mammals
         Subclass Theria Parker & Haswell, 1897
           Infraclass Metatheria Huxley, 1880
             Order Diprotodonta Owen, 1866 see Order Diprotodontia Owen, 1866
             1 Order Polyprotodonta
             2 Order Peramelida
             3 Order Caenolestoidea