family Mustelidae vs Mustelidae

family Mustelidae and Mustelidae both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Mustelidae	Yes	No	No	No
Mustelidae	Yes	No	No	No

As nouns, family Mustelidae and Mustelidae are synonyms defined as:

family Mustelidae and Mustelidae: weasels, polecats, ferrets, minks, fishers, otters, badgers, skunks, wolverines, martens

family Mustelidae (noun)	Mustelidae (noun)
weasels, polecats, ferrets, minks, fishers, otters, badgers, skunks, wolverines, martens	weasels, polecats, ferrets, minks, fishers, otters, badgers, skunks, wolverines, martens