Nomascus gabriellae (Thomas 1909)

Wilson, Don E. & Reeder, DeeAnn, 2005, Order Primates, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 111-184 : 180

Nomascus gabriellae (Thomas 1909)

[Hylobates] gabriellae Thomas 1909 , Ann. Mag. Nat. Hist., ser. 8, 4: 112.

Type Locality: Vietnam, Langbian.

Vernacular Names: Red-cheeked Gibbon.

Distribution: S Laos, S Vietnam from 15°30’N, E Cambodia.

Conservation: CITES – Appendix I; U.S. ESA – Endangered; IUCN – Vulnerable.

Discussion: Separated from leucogenys by Groves and Y. Wang (1989). Does not include siki , see Groves (2001 c).