Craniata, subphylum Craniata, subphylum Vertebrata, Vertebrata - fishes; amphibians; reptiles; birds; mammals

family Tachyglossidae, Tachyglossidae - echidnas

family Ornithorhynchidae, Ornithorhynchidae - platypus

Didelphidae, family Didelphidae - opossums

Caenolestidae, family Caenolestidae - small marsupials of southern South America

family Peramelidae, Peramelidae - bandicoots

family Macropodidae, Macropodidae - kangaroos; wallabies

Potoroinae, subfamily Potoroinae - rat kangaroos

family Phalangeridae, Phalangeridae - phalangers; koalas

family Vombatidae, Vombatidae - wombats

Dasyuridae, family Dasyuridae, family Dasyurinae - dasyures; native cats; pouched mice; banded anteaters; Tasmanian devils

family Notoryctidae, Notoryctidae - pouched moles

family Talpidae, Talpidae - moles

Chrysochloridae, family Chrysochloridae - golden moles

family Soricidae, Soricidae - shrews

Erinaceidae, family Erinaceidae - true hedgehogs

family Tenrecidae, Tenrecidae - tenrecs and extinct related forms

family Potamogalidae, Potamogalidae - otter shrews

Balaenidae, family Balaenidae - right whales

Balaenopteridae, family Balaenopteridae - rorquals; blue whales

Eschrichtiidae, family Eschrichtiidae - comprising only the gray whales

family Physeteridae, Physeteridae - sperm whales

family Hyperodontidae, family Ziphiidae, Hyperodontidae, Ziphiidae - beaked whales; in some especially former classifications included in the family Physeteridae

Delphinidae, family Delphinidae - dolphins

family Platanistidae, Platanistidae - river dolphins

family Monodontidae, Monodontidae - narwhals

family Trichechidae, Trichechidae - comprising only the manatees

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

family Otariidae, Otariidae - eared seals: sea lions and fur seals

family Phocidae, Phocidae - earless seals

family Odobenidae, Odobenidae - walruses and extinct forms

family Orycteropodidae, Orycteropodidae - aardvarks

Canidae, family Canidae - dogs; wolves; jackals; foxes

family Hyaenidae, Hyaenidae - hyenas

family Felidae, Felidae - cats; wildcats; lions; leopards; cheetahs; saber-toothed tigers

family Ursidae, Ursidae - bears and extinct related forms

family Viverridae, family Viverrinae, Viverridae, Viverrinae - genets; civets; mongooses

family Phyllostomatidae, family Phyllostomidae, Phyllostomatidae, Phyllostomidae - New World leaf-nosed bats

family Rhinolophidae, Rhinolophidae - Old World leaf-nosed bats

family Hipposideridae, Hipposideridae - Old World leafnose bats

family Megadermatidae, Megadermatidae - Old World false vampire bats