Monotremata
Marsupialia
Multituberculata - extinct
Eutheria
- Xenarthra (anteaters, sloths, armadillos; formerly called Edentata)
- Pholidota (pangolins)
- Chiroptera (bats)
- Dermoptera (flying lemurs)
- Primates (apes, monkeys, HomoSapiens)
- Scandentia (tree shrews)
- Macroscelidea (elephant shrews)
- Rodentia (mice, rats, squirrels, porcupines, beavers, etc)
- Lagomorpha (hares, rabbits, pikas)
- Insectivora (shrews, moles, hedgehogs, etc)
- Creodonta - extinct
- Carnivora (dogs, WolVes, cats, bears, weasels, seals, walruses)
- Condylarthra - extinct
- Artiodactlya (pigs, deer, cattle, goats, sheep, etc)
- Cetacea (whales, dolphins, porpoises)
- Tubulidentata (AardvarK)
- Perissodactyla (horses, tapirs, rhinoceroses)
- Hyracoidea (hyraxes, dassies)
- Proboscidea (elephants, etc)
- Embrythopoda - extinct
- Demostylia - extinct
- Sirenia (manatees, dugong, sea cows)