Cephalophus ogilbyi Waterhouse 1838
Cephalophus ogilbyi Waterhouse 1838, Proc. Zool. Soc. Lond., 1838: 60.
Type Locality: Equatorial Guinea, " Fernando Po " (= Bioko).
Vernacular Names: Ogilby's Duiker.
Subspecies::
Subspecies Cephalophus ogilbyi subsp. ogilbyi Waterhouse 1838
Subspecies Cephalophus ogilbyi subsp. crusalbum Grubb 1978
Distribution: SE Nigeria, S Cameroon, Equatorial Guinea (Bioko), Gabon.
Conservation: CITES – Appendix II; IUCN – Lower Risk (nt) as C. ogilbyi and C. o. crusalbum .
Discussion: Treated as two evolutionary species ( C. ogilbyi, C. crusalbum) by Cotterill (2003 b).