Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897 see Supercohort Theria Parker & Haswell, 1897
     01 Order Didelphimorphia Gill, 1872
     02 Order Paucituberculata Ameghino, 1894
     03 Order Microbiotheria Ameghino, 1889
     04 Order Notoryctemorphia (Kirsch, 1977) Aplin & Archer, 1987
     05 Order Dasyuromorphia (Gill, 1872) Aplin & Archer, 1987
     06 Order Peramelemorphia Ameghino, 1889
     07 Order Diprotodontia Owen, 1866
     08 Order Afrosoricida Stanhope, 1998
     09 Order Macroscelidea Butler, 1956 - elephant shrews
     10 Order Tubulidentata Huxley, 1872 - aardvark
     11 Order Hyracoidea Huxley, 1869 - hyraxes
     12 Order Proboscidea Owen, 1859 - elephants
     13 Order Sirenia Gill, 1872 - sea cows
     14 Order Cingulata Illiger, 1811 - armadillos
     15 Order Pilosa Flower, 1883 - sloths
     16 Order Scandentia Wagner, 1855 - tree shrews
     17 Order Dermoptera Dobson, 1883
     18 Order Primates Linnaeus, 1758 - primates
     19 Order Lagomorpha Brandt, 1855 - lagomorphs
     20 Order Erinaceomorpha Gregory, 1910 see Suborder Erinaceomorpha Gregory, 1910
     21 Order Soricomorpha Gregory, 1910 see Suborder Soricomorpha Gregory, 1910
     22 Order Chiroptera Blumenbach, 1779 - bats
     23 Order Pholidota Weber, 1904 - pangolins
     24 Order Carnivora Bowdich, 1821 - carnivores
     25 Order Perissodactyla Owen, 1848 - odd-toed ungulates
     26 Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard et al., 1997
     27 Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises see Suborder Cetacea Brisson, 1762
     28 Order Rodentia Bowdich, 1821 - rodents