Cercopithecus nictitans Linnaeus 1766
Cercopithecus nictitans Linnaeus 1766, Syst. Nat., 12th ed., Vol. 1: 40.
Type Locality: Equatorial Guinea, Benito River.
Vernacular Names: Greater spot-nosed Monkey.
Synonyms: Cercopithecus signatus Jentink 1886 .
Subspecies::
Subspecies Cercopithecus nictitans subsp. nictitans Linnaeus 1766
Subspecies Cercopithecus nictitans subsp. martini Waterhouse 1838
Distribution: Liberia; Côte d’Ivoire; Nigeria apparently to Itimbiri River in NW Dem. Rep. Congo, Central African Republic; Rio Muni and Bioko (Equatorial Guinea).
Conservation: CITES – Appendix II; IUCN – Critically Endangered as C. n. stampflii, Endangered as C. n. martini, otherwise Lower Risk (lc).
Discussion: C. mitis species group. C. signatus Jentink, 1886, probably represents a hybrid between this species and one of the cephus group (Oates, 1985).