wombat vs pouched mammal

wombat and pouched mammal both are nouns.

Word	Noun	Adjective	Verb	Adverb
wombat	Yes	No	No	No
pouched mammal	Yes	No	No	No

As nouns, pouched mammal is a hypernym of wombat; that is, pouched mammal is a word with a broader meaning than wombat:

wombat: burrowing herbivorous Australian marsupials about the size of a badger
pouched mammal: mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried

Other hypernyms of wombat include marsupial.

wombat (noun)	pouched mammal (noun)
burrowing herbivorous Australian marsupials about the size of a badger	mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried