Cephalophus callipygus Peters, 1876 . Monatsb. K. Preuss. Akad. Wiss. Berlin, 1876:483.

TYPE LOCALITY: Gabon, Gabon River .

DISTRIBUTION: West of Congo and Ubangi Rivers in Congo Republic; S Central African Republic; Gabon and S Cameroon.

COMMENTS: Possibly conspecific with natalensis and/ or adersi; see Ansell (1972:33). According to Groves and Grubb (1974), callipygus is not related to natalensis .