Mandrillus sphinx vs mandrill

Mandrillus sphinx and mandrill both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mandrillus sphinx	Yes	No	No	No
mandrill	Yes	No	No	No

As nouns, Mandrillus sphinx and mandrill are synonyms defined as:

Mandrillus sphinx and mandrill: baboon of west Africa with a bright red and blue muzzle and blue hindquarters

Mandrillus sphinx (noun)	mandrill (noun)
baboon of west Africa with a bright red and blue muzzle and blue hindquarters	baboon of west Africa with a bright red and blue muzzle and blue hindquarters