Taxonomy:
Javan lutung,
Trachypithecus auratus (Add)Tenasserim lutung,
Trachypithecus barbei (Add)Silvery lutung,
Trachypithecus cristatus (Add)Delacour's langur,
Trachypithecus delacouri (Add)Indochinese black langur,
Trachypithecus ebenus (Add)Francois' langur,
Trachypithecus francoisi (Add)Gee's golden langur,
Trachypithecus geei (Add)Indochinese lutung,
Trachypithecus germaini (Add)Hatinh langur,
Trachypithecus hatinhensis (Add)Nilgiri langur,
Trachypithecus johnii (Add)Laotian langur,
Trachypithecus laotum (Add)Dusky leaf monkey, Trachypithecus obscurus
Trachypithecus phayrei (Add)Capped langur,
Trachypithecus pileatus (Add)White-headed langur,
Trachypithecus poliocephalus (Add)Trachypithecus poliocephalus leucocephalus (Add)
Trachypithecus poliocephalus poliocephalus (Add)
Trachypithecus shortridgei (Add)Purple-faced langur,
Trachypithecus vetulus (Add)