family Cricetidae vs Cricetidae

family Cricetidae and Cricetidae both are nouns.

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

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

family Cricetidae and Cricetidae: mostly small New World rodents including New World mice and lemmings and voles and hamsters

family Cricetidae (noun)	Cricetidae (noun)
mostly small New World rodents including New World mice and lemmings and voles and hamsters	mostly small New World rodents including New World mice and lemmings and voles and hamsters