Presbytis melalophos Raffles 1821
Presbytis melalophos Raffles 1821, Trans. Linn. Soc. Lond., 13: 245.
Type Locality: Indonesia, Sumatra, Bengkulen.
Vernacular Names: Sumatran Surili.
Subspecies::
Subspecies Presbytis melalophos subsp. melalophos Raffles 1821
Subspecies Presbytis melalophos subsp. bicolor Aimi and Bakar 1992
Subspecies Presbytis melalophos subsp. mitrata Eschscholtz 1821
Subspecies Presbytis melalophos subsp. sumatranus Müller and Schlegel 1841
Distribution: Sumatra (Indonesia).
Conservation: CITES – Appendix II; IUCN – Data Deficient as P. femoralis batuana, Lower Risk (nt), not evaluated as bicolor, mitrata, and nobilis.
Discussion: Does not include P. femoralis, which was regarded as a separate species by Wilson and Wilson (1977:217-222), or siamensis, which was separated by Brandon-Jones (1984), or natunae or chrysomelas, which were separated by Groves (2001 c).