Cercopithecus erythrotis Waterhouse 1838
Cercopithecus erythrotis Waterhouse 1838, Proc. Zool. Soc. Lond., 1838: 59.
Type Locality: Equatorial Guinea, Bioko.
Vernacular Names: Red-eared Guenon.
Subspecies::
Subspecies Cercopithecus erythrotis subsp. erythrotis Waterhouse 1838
Subspecies Cercopithecus erythrotis subsp. camerunensis Hayman 1940
Distribution: S and E Nigeria, Cameroon coast, Bioko.
Conservation: CITES – Appendix II; U.S. ESA – Endangered; IUCN – Endangered as C. c. erythrotis, otherwise Vulnerable.
Discussion: C. cephus species group. Considered a subspecies of cephus by Struhsaker (1970:374-376); but also see Dandelot (1974:23). McAllan and Bruce (1989) argued that the original publication of this species should be: The Analyst, 24:298-299 [publ. 2 July 1838].