family Bovidae vs Bovidae

family Bovidae and Bovidae both are nouns.

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

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

family Bovidae (noun)	Bovidae (noun)
true antelopes; cattle; oxen; sheep; goats	true antelopes; cattle; oxen; sheep; goats