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A genus of the subfamily CERCOPITHECINAE, family CERCOPITHECIDAE, consisting of seven named species: P. ursinus (chacma baboon), P. cynocephalus (yellow baboon), P. papio (western or Guinea baboon), P. anubis (anubis or olive baboon), P. hamadryas (hamadryas or sacred baboon), P. sphinx (mandrill), and P. leucophaeus (drill). Some authors have recognized a separate genus for the drill and mandrill: Mandrillus. The Papio genus is geographically distributed throughout east and west Africa, Arabia, Egypt, and the Sudan.