mammal family

echidnas

platypus

opossums

small marsupials of southern South America

bandicoots

kangaroos; wallabies

rat kangaroos

phalangers; koalas

wombats

dasyures; native cats; pouched mice; banded anteaters; Tasmanian devils

pouched moles

moles

golden moles

shrews

true hedgehogs

tenrecs and extinct related forms

otter shrews

right whales

rorquals; blue whales

comprising only the grey whales

sperm whales

beaked whales; in some especially former classifications included in the family Physeteridae

dolphins

river dolphins

narwhals

comprising only the manatees

a family of mammals of order Sirenia including dugongs and Steller's sea cow

eared seals: sea lions and fur seals

earless seals

walruses and extinct forms

aardvarks

dogs; wolves; jackals; foxes

hyenas

cats; wildcats; lions; leopards; cheetahs; saber-toothed tigers

bears and extinct related forms

genets; civets; mongooses

New World leaf-nosed bats

Old World leaf-nosed bats

Old World leafnose bats

Old World false vampire bats

the majority of common bats of temperate regions of the world

mastiff bats; freetail bats

true vampire bats

hares and rabbits

pikas and extinct forms

a superfamily of rodents essentially equal to the suborder Myomorpha but with the Dipodidae excluded

originally Old World rats now distributed worldwide; distinguished from the Cricetidae by typically lacking cheek pouches

water rats of Australia and New Guinea

mostly small New World rodents including New World mice and lemmings and voles and hamsters

gerbils

Old World porcupines

New World arboreal porcupines

small New World burrowing mouselike rodents with fur-lined cheek pouches and hind limbs and tail adapted to leaping; adapted to desert conditions: pocket mice; kangaroo mice; kangaroo rats

jumping mice

Old World jerboas

dormice and other Old World forms

North American pocket gophers

a mammal family of true squirrels including: ground squirrels; marmots; chipmunks; flying squirrels; spermophiles

Old World flying squirrels

beavers

mountain beavers

a family of Hystricomorpha

capybara

agoutis and pacas

coypus

small bushy-tailed South American burrowing rodents

mole rats

mole rats; sand rats

an extinct family of Dinocerata

includes all recent members of the order Hyracoidea

horses; asses; zebras; extinct animals

rhinoceroses

tapirs and extinct related forms

pigs; hogs; boars

peccaries

hippopotami

true antelopes; cattle; oxen; sheep; goats

term not used technically; essentially coextensive with genus Bos: cattle; buffalo; and sometimes includes kudu

comprising only the pronghorns

deer: reindeer; moose or elks; muntjacs; roe deer

chevrotains

camels and llamas and vicunas

giraffes

weasels; polecats; ferrets; minks; fishers; otters; badgers; skunks; wolverines; martens

subdivision not used in some classifications: otters

subdivision not used in some classifications: skunks

subdivision not used in some classifications: badgers

armadillos

a family of edentates comprising the true sloths

mammal family consisting of the two-toed sloths

extinct ground sloths

extinct South American edentates

New World anteaters

coextensive with the order Pholidota

modern man and extinct immediate ancestors of man

usually considered as comprising orangutans; gorillas; chimpanzees; and sometimes gibbons

used in some classifications for the lesser apes (gibbons and siamangs); sometimes considered a subfamily of Pongidae

Old World monkeys: guenon; baboon; colobus monkey; langur; macaque; mandrill; mangabey; patas; proboscis monkey

New World monkeys: capuchin; douroucouli; howler monkey; saki; spider monkey; squirrel monkey; titi; uakari; woolly monkey; marmoset; tamarin

marmosets

all the New World monkeys except marmosets and tamarins

tree shrews; in some classifications tree shrews are considered prosimian primates

typical lemurs; of Madagascar

comprising solely the aye-aye

slow-moving omnivorous nocturnal primates of tropical Asia; usually tailless

a family of Lemuroidea

coextensive with the genus Tarsius: tarsiers

a family of Dermoptera

elephants

extinct family: mastodons

elephants extinct since the Pleistocene

raccoons; coatis; cacomistles; kinkajous; and sometimes pandas

in some classifications considered a separate family

in some classifications considered the family comprising the giant pandas