genus Taxidea vs mammal genus

genus Taxidea and mammal genus both are nouns.

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

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

genus Taxidea: in some classifications considered a genus of subfamily Melinae
mammal genus: a genus of mammals

genus Taxidea (noun)	mammal genus (noun)
in some classifications considered a genus of subfamily Melinae	a genus of mammals