Order Primates Author James H. Honacki Author Kenneth E. Kinman Author James W. Koeppl text 1982 Alien Press, Inc. & The Association of Systematics Collections Lawrence, Kansas, USA Editor James H. Honacki Editor Kenneth E. Kinman Editor James W. Koeppl Mammal Species of the World (1 st Edition) 216 243 book chapter http://doi.org/10.5281/zenodo.7353017 67397223-b7e8-4f7e-a41e-674d04843525 0-89327-235-3 7353017 Hylobates concolor (Harlan, 1826) . J. Acad. Nat. Sei. Phila., ser. 5, 4:231 . TYPE LOCALITY: Vietnam , Tonkin . DISTRIBUTION: Hainan Isl. ( China ); E. of the Mekong River in S. Yunnan ( China ), Laos , Vietnam and Kampuchea , N. to Red River in Vietnam . COMMENT: Type species of Nomascus which was recognized as a separate genus by Lekagul and McNeely, 1977:308 ; but see Corbet and Hill, 1980:91 , and Szalay and Delson, 1979:461 . PROTECTED STATUS: CITES - Appendix I as Hylobates spp. and U.S. ESA - Endangered as Hylobates spp. (including Nomascus spp. ). ISIS NUMBER: 5301406009001002001.