genus Macaca vs mammal genus

genus Macaca and mammal genus both are nouns.

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

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

genus Macaca (noun)	mammal genus (noun)
macaques; rhesus monkeys	a genus of mammals