genus Desmodus vs mammal genus

genus Desmodus and mammal genus both are nouns.

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

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

genus Desmodus (noun)	mammal genus (noun)
type genus of the Desmodontidae: vampire bats	a genus of mammals