There are many mammals found in Australia, and many of these are unique to the continent:
The quoll is a carnivorous marsupial mammal found only in Australia and New Guinea.
There is no such mammal. Platypuses and echidnas are the only egg-laying mammals. The platypus is endemic to Australia, and the two species of echidna are not found outside of Australia or New Guinea. There are no egg-laying mammals in New Zealand.
The platypus is found only in Australia. However, both species of echidna are found in New Guinea. The long-beaked echidna is found in New Guinea but not Australia, while the short-beaked echidna is found in a small corner of Papua New Guinea, but all over the Australian continent.
Neither. Possums, or at least true possums, which are found in Australia, are marsupials.
No. The star-nosed marsupial is not a marsupial, but a placental mammal. The only marsupial moles are found in northern Australia.
A marine mammal found in the water around Australia would be the dugong.
A dugong is an aquatic mammal that is distinguished from the manatees by its forked tail. It is found in warm coastal waters from East Africa to Australia.
The only mammal found in every climate and on every continent is homo sapiens, or "us". Humans.
There is actually only one monotreme, or egg-laying mammal, which is completely unique to Australia, and that is the platypus.The other monotreme is the echidna, of which there are two species. The long beaked and the short beaked echidna are found in both Australia and New Guinea.
The mammal emblem for South Australia is the hairy-nosed wombat.
No. The most endangered mammal in Australia is Gilbert's potoroo.
Yes. "Spiny anteater" is a common name for the echidna, an egg-laying mammal, or monotreme, found only in Australia and New Guinea. The only other monotreme is the platypus.