Mandrillus leucophaeus (F. Cuvier, 1807) . Ann. Mus. Hist. Nat. Paris, 9:477.
TYPE LOCALITY: Africa .
DISTRIBUTION: SE Nigeria; Cameroon, north of the Sanaga River and just south of it; Bioko (Equatorial Guinea). See Grubb (1973) for details.
STATUS: CITES - Appendix I; U.S. ESA and IUCN - Endangered.
SYNONYMS: cinerea, drill, hagenbecki, mundamensis, poensis, sylvicola .
COMMENTS: Delson and Napier (1976:46) considered this species in genus Papio, subgenus Papio . Placed in subgenus Mandrillus by Dandelot (1974:9). Mandrillus considered a full genus by Groves (1989).