Pygathrix Geoffroy 1812 (douc langur)
Mammalia - Primates - Cercopithecidae
Parent taxon: Colobinae according to M. Osterholz et al. 2008
Sister taxa: Colobus, Dolichopithecus, Mesopithecus, Nasalis, Presbytis, Procolobus, Rhinopithecus, Semnopithecus, Simias, Trachypithecus
Subtaxa: Pygathrix nemaeus, Pygathrix nigripes
Ecology: arboreal frugivore-folivore