Mammalia regulate body temperatures, generally have hair, bear live young & nourish them with milk, the majority are placental -- [ ToL | ucmp | ummzADW | links | index -- Mammal Species of the World ] Artiodactyla even toed hoofed -- camels, cattle, deer, giraffes, goats, hippos, llamas, pigs, sheep [ucmp | ummzADW | links | Huffman | "Ungulates" ] Perissodactyla odd toed hoofed mammals -- horses, ass, donkey, rhinoceroses, tapirs, zebras [ ucmp | ummzADW | links | Huffman | "Ungulates" | Quagga ] Carnivora carnivores -- badgers, bears, cats, dogs, ferrets, otters, seals, weasels, wolves [ ucmp | ummzADW | links | Felidae | Ursidae ] Cetacea dolphins, whales -- [ ucmp | ummzADW | links ] Chiroptera bats, flying foxes -- [ ToL | ucmp | ummzADW | links ] Creodonta extinct carnivores -- [ ucmp ] Dermoptera flying lemurs -- [ ummzADW | links ] Desmostylia extinct mammal group --[ ucmp | links ] Edentata edentates -- anteaters, armadillos, sloths -- [ ummzADW | links | ucmp ] Embrithopoda extinct mammals -- most closely related to elephants -- [ ucmp | links ] Hyracoidea hyraxes -- [ ucmp | ummzADW | links | Huffman ] Insectivora insectivores -- hedgehogs, moles, shrews -- [ ummzADW | links ] Lagomorpha lagomorphs -- hares, pikas, rabbits -- [ ummzADW | links ] Marsupialia marsupials -- kangaroos and wallabies, koalas, wombats -- [ ucmp | ummzADW | links ] Monotremata egg laying mammals, monotremes -- platypus, echidnas or spiny anteaters [ ucmp | ummzADW | links ] Pholidota pangolins -- [ ucmp | ummzADW | links ] Primates -- Prosimians, New & Old World Monkeys, Lesser & Great Apes (all species shown) Proboscidea elephants, mammoths --[ ucmp | ummzADW | links ] Rodentia rodents -- cavies, guinea pig), chinchillas, gerbils, hamsters, mice, porcupines, rats [ ToL | ucmp | ummzADW | links ] Sirenia dugongs, manatees -- [ ucmp | ummzADW | links | Huffman ] Tubulidentata aardvarks -- [ ummzADW | links | Huffman ]