Lophocebus albigena (Gray 1850)
[Cercocebus] albigena Gray 1850, Proc. Zool. Soc. Lond., 1850: 77.
Type Locality: Dem. Rep. Congo, Mayombe.
Vernacular Names: Gray-cheeked Mangabey.
Subspecies::
Subspecies Lophocebus albigena subsp. albigena Gray 1850
Subspecies Lophocebus albigena subsp. johnstoni Lydekker 1900
Subspecies Lophocebus albigena subsp. osmani Groves 1978
Distribution: SE Nigeria (Cross River), Cameroon, Republic of Congo, Gabon, Equatorial Guinea, NE Angola, Central African Republic, Dem. Rep. Congo north and east of Congo-Lualaba system, W Uganda (to Busoga), Burundi.
Conservation: CITES – Appendix II; IUCN – Lower Risk (lc).
Discussion: Does not include aterrimus and opdenboschi; see Groves (2001 c).