genus Antrozous vs mammal genus

genus Antrozous and mammal genus both are nouns.

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

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

genus Antrozous: a genus of Vespertilionidae, containing the pallid bat (Antrozous)
mammal genus: a genus of mammals

genus Antrozous (noun)	mammal genus (noun)
a genus of Vespertilionidae, containing the pallid bat (Antrozous)	a genus of mammals