Order Primates Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1 111 184 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 Cercopithecus neglectus Schlegel 1876 Cercopithecus neglectus Schlegel 1876 , Mus. Hist. Nat. Pays-Bas . Simiae: 70 . Type Locality: Sudan , " White Nile ". Vernacular Names: De Brazza's Monkey . Synonyms: Cercopithecus brazzae Milne-Edwards 1886 ; Cercopithecus brazziformis Pocock 1907 ; Cercopithecus ezrae Pocock 1908 ; Cercopithecus uellensis Lönnberg 1919 . Distribution: SE Cameroon to Uganda and N Angola , W Kenya , SW Ethiopia , and S Sudan . Conservation: CITES – Appendix II; IUCN – Lower Risk (lc). Discussion: C. neglectus species group.