Colubridae vs reptile family

Colubridae and reptile family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Colubridae	Yes	No	No	No
reptile family	Yes	No	No	No

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

Colubridae (noun)	reptile family (noun)
nonvenomous snakes; about two-thirds of all living species	a family of reptiles