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 Placentalia Owen, 1837 see Cohort Placentalia Owen, 1837
           01 Order Afrosoricida Stanhope, 1998
           02 Order Macroscelidea Butler, 1956 [monotypic] - elephant shrews
           03 Order Tubulidentata Huxley, 1872 [monotypic] - aardvark
           04 Order Hyracoidea Huxley, 1869 [monotypic] - hyraxes
           05 Order Proboscidea Owen, 1859 [monotypic] - elephants
           06 Order Sirenia Gill, 1872 - sea cows
           07 Order Cingulata "Illiger, 1811" [monotypic] - armadillos
           08 Order Pilosa Flower, 1883 - sloths
           09 Order Scandentia Wagner, 1855 - tree shrews
           10 Order Dermoptera Dobson, 1883 [monotypic]
           11 Order Primates Linnaeus, 1758 - primates
           12 Order Rodentia Bowdich, 1821 - rodents
           13 Order Lagomorpha Brandt, 1855 - lagomorphs
           14 Order Erinaceomorpha Gregory, 1910 [monotypic] see Suborder Erinaceomorpha Gregory, 1910
           15 Order Soricomorpha Gregory, 1910 see Suborder Soricomorpha Gregory, 1910
           16 Order Chiroptera Blumenbach, 1779 - bats
           17 Order Pholidota Weber, 1904 [monotypic] - pangolins
           18 Order Carnivora Bowdich, 1821 - carnivores
           19 Order Perissodactyla Owen, 1848 - odd-toed ungulates
           20 Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
           21 Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises see Infraorder Cetacea Brisson, 1762