Mustela putorius vs musteline

Mustela putorius and musteline both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mustela putorius	Yes	No	No	No
musteline	Yes	No	No	No

As nouns, musteline is a hypernym of Mustela putorius; that is, musteline is a word with a broader meaning than Mustela putorius:

Mustela putorius: dark brown mustelid of woodlands of Eurasia that gives off an unpleasant odor when threatened
musteline: fissiped fur-bearing carnivorous mammals

Other hypernyms of Mustela putorius include mustelid, musteline mammal.

Mustela putorius (noun)	musteline (noun)
dark brown mustelid of woodlands of Eurasia that gives off an unpleasant odor when threatened	fissiped fur-bearing carnivorous mammals