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 ascanius Audebert 1799 Cercopithecus ascanius Audebert 1799 , Hist. Nat. Singes Makis, Vol. 4, 2: 13 . Type Locality: Angola (NW, by lower Congo River). See Machado (1969) . Vernacular Names: Red-tailed Monkey . Subspecies: : Subspecies Cercopithecus ascanius subsp. ascanius Audebert 1799 Subspecies Cercopithecus ascanius subsp. atrinasus Machado 1965 Subspecies Cercopithecus ascanius subsp. katangae Lönnberg 1919 Subspecies Cercopithecus ascanius subsp. schmidti Matschie 1892 Subspecies Cercopithecus ascanius subsp. whitesidei Thomas 1909 Distribution: Uganda , Dem. Rep. Congo , Zambia , Angola , marginally in Central African Republic ; W Kenya . Conservation: CITES – Appendix II; IUCN – Lower Risk (lc). Discussion: C. cephus species group.