Class Mammalia Linnaeus, 1758 - mammals
   01 Order Monotremata Bonaparte, 1837 - monotremes
   02 Order Didelphimorphia Gill, 1872
   03 Order Paucituberculata Ameghino, 1894
   04 Order Microbiotheria Ameghino, 1889
   05 Order Dasyuromorphia (Gill, 1872) Aplin & Archer, 1987
   06 Order Peramelemorphia Ameghino, 1889
   07 Order Notoryctemorphia (Kirsch, 1977) Aplin & Archer, 1987
   08 Order Diprotodontia Owen, 1866
   09 Order Xenarthra Cope, 1889 - xenarthrans see Magnorder Xenarthra Cope, 1889
   10 Order Insectivora Cuvier, 1817 - insectivores see Grandorder Lipotyphla (Haeckel, 1866) McKenna, 1975
   11 Order Scandentia Wagner, 1855 - tree shrews
   12 Order Dermoptera Dobson, 1883
   13 Order Chiroptera Blumenbach, 1779 - bats
   14 Order Primates Linnaeus, 1758 - primates
   15 Order Carnivora Bowdich, 1821 - carnivores
   16 Order Cetacea Brisson, 1762 - whales, dolphins, and porpoises see Suborder Cetacea Brisson, 1762
   17 Order Sirenia Gill, 1872 - sea cows
   18 Order Proboscidea Owen, 1859 - elephants
   19 Order Perissodactyla Owen, 1848 - odd-toed ungulates
   20 Order Hyracoidea Huxley, 1869 - hyraxes
   21 Order Tubulidentata Huxley, 1872 - aardvark
   22 Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard et al., 1997
   23 Order Pholidota Weber, 1904 - pangolins
   24 Order Rodentia Bowdich, 1821 - rodents
   25 Order Lagomorpha Brandt, 1855 - lagomorphs
   26 Order Macroscelidea Butler, 1956 - elephant shrews