Chinchillidae vs mammal family

Chinchillidae and mammal family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chinchillidae	Yes	No	No	No
mammal family	Yes	No	No	No

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

Chinchillidae (noun)	mammal family (noun)
small bushy-tailed South American burrowing rodents	a family of mammals