Trachypithecus (Trachypithecus) poliocephalus Pousargues 1898

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 : 178

Trachypithecus (Trachypithecus) poliocephalus Pousargues 1898

Trachypithecus (Trachypithecus) poliocephalus Pousargues 1898 , Bull. Mus. Hist. Nat. Paris, 4: 319.

Type Locality: Vietnam, Cat Ba Isl (restricted by Brandon-Jones, 1995).

Vernacular Names: White-headed Langur.

Subspecies: :

Subspecies Trachypithecus (Trachypithecus) poliocephalus subsp. poliocephalus Pousargues 1898

Subspecies Trachypithecus (Trachypithecus) poliocephalus subsp. leucocephalus Tan 1955

Distribution: Cat Ba Isl ( Vietnam); Guangxi ( China).

Conservation: CITES – Appendix II; U.S. ESA – Endangered as included in T. francoisi ; IUCN – Critically Endangered as T. p. poliocephalus and T. p. leucocephalus .

Discussion: T. francoisi species group. Considered a species separate from francoisi by Brandon-Jones (1995). Subspecies leucocephalus was considered to be a partially albinistic population of francoisi by Brandon-Jones (1995), but (provisionally) a subspecies of poliocephalus by Groves (2001 c).