Mandrillus sphinx (Linnaeus, 1758) . Syst. Nat., 10th ed., 1:25.
TYPE LOCALITY: Cameroon, Ja River, Bitye .
DISTRIBUTION: Cameroon, south of the Sanaga River; Rio Muni (Equatorial Guinea); Gabon; Congo Republic. See Grubb (1973) for details.
STATUS: CITES - Appendix I; U.S. ESA - Endangered; IUCN - Vulnerable.
SYNONYMS: burlacei, ebolowae, escherichi, insularis, madarogaster, maimon, mormon, planirostris, schreberi, suilla, tessmanni, zenkeri .
COMMENTS: Delson and Napier (1976:46) considered sphinx in genus Papio, subgenus Papio . Placed in subgenus Mandrillus by Dandelot (1974:9). Mandrillus considered a full genus by Groves (1989).