Hylobates pileatus (Gray, 1861) . Proc. Zool. Soc. Lond., 1861:136.

TYPE LOCALITY: Cambodia .

DISTRIBUTION: SE Thailand and Cambodia south of the Mun and Takhrong rivers and west of the Mekong River.

STATUS: CITES - Appendix I; U.S. ESA and IUCN - Endangered.

COMMENTS: Subgenus Hylobates .