genus Tragulus vs mammal genus

genus Tragulus and mammal genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Tragulus	Yes	No	No	No
mammal genus	Yes	No	No	No

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

genus Tragulus (noun)	mammal genus (noun)
type genus of the Tragulidae	a genus of mammals