Arctocebus vs mammal genus

Arctocebus and mammal genus both are nouns.

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

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

Arctocebus: a genus of Lorisidae, containing the Calabar and golden angwantibos (Arctocebus)
mammal genus: a genus of mammals

Arctocebus (noun)	mammal genus (noun)
a genus of Lorisidae, containing the Calabar and golden angwantibos (Arctocebus)	a genus of mammals