Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Infraclass Eutheria Gill, 1872
       Magnorder Boreoeutheria Springer & de Jong, 2001
         Superorder Laurasiatheria Waddell, Okada & Hasegawa, 1999
           Order Carnivora Bowdich, 1821 - carnivores
             Suborder Caniformia Kretzoi, 1943
               Infraorder Arctoidea Flower, 1869
                 1 Parvorder Ursida Tedford, 1976 [monotypic]
                 2 Parvorder Pinnipedia Illiger, 1811
                 3 Parvorder Musteloidea Kretzoi, 1929