marsupion

Meaning

A mammal of an infralass (or subclass) of the class Mammalia, characterized by the fact that the female has a pouch on her abdomen in which she rears her young, which are born in a very undeveloped condition. The group includes kangaroos, wallabies, opossums, and koalas.

Examples

• The koala is a well-known marsupion native to Australia.
• Scientists are studying the unique reproductive cycle of this particular marsupion.