genus Lacerta vs reptile genus

genus Lacerta and reptile genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Lacerta	Yes	No	No	No
reptile genus	Yes	No	No	No

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

genus Lacerta (noun)	reptile genus (noun)
type genus of the Lacertidae	a genus of reptiles