Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     01 Order Didelphimorphia Gill, 1872
     02 Order Paucituberculata Ameghino, 1894
     03 Order Microbiotheria Ameghino, 1889
     04 Order Notoryctemorphia Kirsch, 1977
     05 Order Dasyuromorphia Gill, 1872
     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, Catzeflis & Douzery, 1997
     27 Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises see Infraorder Cetacea Brisson, 1762
     28 Order Rodentia Bowdich, 1821 - rodents