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 Rhinopithecus bieti Milne-Edwards 1897 Rhinopithecus bieti Milne-Edwards 1897 , Bull. Mus. Hist. Nat. Paris, 3: 157 . Type Locality: China , Yunnan , left bank of upper Mekong, Kiape, 28°25'N , 98°55'E , "a day's journey south of Atentse." . Vernacular Names: Black Snub-nosed Monkey . Distribution: Ridge of Mekong-Salween divide, Yunnan ( China ). Conservation: CITES – Appendix I; U.S. ESA and IUCN – Endangered. Discussion: Considered a subspecies of roxellana by Groves (1970:569) , but regarded as a full species by Peng et al. (1988) .