Kinosternidae vs reptile family

Kinosternidae and reptile family both are nouns.

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

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

Kinosternidae (noun)	reptile family (noun)
mud turtles; musk turtles	a family of reptiles