Order Primates Author Colin P. Groves text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 243 277 book chapter 193461 10.5281/zenodo.7353122 0df816bd-0cef-463a-94c2-b03e13ea7128 1-56098-217-9 7353122 Trachypithecus geei Khajuria, 1956 . Ann. Mag. Nat. Hist., ser. 12, 9:86 . TYPE LOCALITY: India , Assam , Goalpara Dist., Jamduar Forest Rest House, E bank of Sankosh River . DISTRIBUTION: Between Sankosh and Manas Rivers , Indo-Bhutan border (on both sides). STATUS: CITES - Appendix I; U.S. ESA - Endangered; IUCN - Rare. COMMENTS: Subgenus Trachypithecus . For authorship of the name, see Biswas (1967) . May prove to be a subspecies of pileatus