marten cat vs musteline mammal

marten cat and musteline mammal both are nouns.

Word	Noun	Adjective	Verb	Adverb
marten cat	Yes	No	No	No
musteline mammal	Yes	No	No	No

As nouns, musteline mammal is a hypernym of marten cat; that is, musteline mammal is a word with a broader meaning than marten cat:

marten cat: agile slender-bodied arboreal mustelids somewhat larger than weasels
musteline mammal: fissiped fur-bearing carnivorous mammals

Other hypernyms of marten cat include mustelid, musteline.

marten cat (noun)	musteline mammal (noun)
agile slender-bodied arboreal mustelids somewhat larger than weasels	fissiped fur-bearing carnivorous mammals