Presbytis siamensis Müller and Schlegel 1841

Presbytis siamensis Müller and Schlegel 1841, in: Temminck, Verh. Nat. Ges. Overz. Bezitt. Zool. (Mamm.): 60.

Type Locality: Malaya, Melaka.

Vernacular Names: White-thighed Surili.

Subspecies::

Subspecies Presbytis siamensis subsp. siamensis Müller and Schlegel 1841

Subspecies Presbytis siamensis subsp. cana Miller 1906

Subspecies Presbytis siamensis subsp. paenulata Chasen 1940

Subspecies Presbytis siamensis subsp. rhionis Miller 1903

Distribution: Malay Peninsula, except far south and northwest; E Sumatra between Siak and Inderagiri Rivers, between Rokan and Barimun Rivers, Lake Toba region, and perhaps Jambi district; Kundur, Bintang, and probably Batam and Galang Isls, Riau Arch. (Indonesia).

Conservation: CITES – Appendix II; IUCN – Lower Risk (lc).

Discussion: Separated from P. femoralis by Brandon-Jones (1984).