Order Primates Author Colin P. Groves text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 243 277 book chapter 193461 10.5281/zenodo.7353122 0df816bd-0cef-463a-94c2-b03e13ea7128 1-56098-217-9 7353122 Procolobus verus (Van Beneden, 1838) . Bull. Acad. Sei. Belles-Letters Bruxelles, 5:347 . TYPE LOCALITY: Africa . DISTRIBUTION: Sierra Leone to Togo ; Idah Dist. (E Nigeria , see Menzies, 1970 , for comments). STATUS: CITES - Appendix II; IUCN - Rare. SYNONYMS: chrysurus , cristatus , olivaceus , verus . COMMENTS: Subgenus Procolobus ; see Dandelot (1974:37) and Corbet and Hill (1980:90) .