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 Notoryctemorphia Kirsch, 1977 [monotypic]
             1 Family Notoryctidae Ogilby, 1892