Cercopithecus sclateri Pocock 1904
Cercopithecus sclateri Pocock 1904, Abstr. Proc. Zool. Soc. Lond., 1904 (5): 18.
Type Locality: Nigeria, Benin City.
Vernacular Names: Sclater's Guenon.
Distribution: SE Nigeria, between Niger and Cross Rivers.
Conservation: CITES – Appendix II; IUCN – Endangered.
Discussion: C. cephus species group. Recognized as a full species by Kingdon (1980:661).