The Laotian langur or white-browed black langur (''Trachypithecus laotum'') is a species of

primate Primates are a diverse order of mammals. They are divided into the strepsirrhines, which include the lemurs, galagos, and lorisids, and the haplorhines, which include the tarsiers and the simians (monkeys and apes, the latter including huma ...

in the family

Cercopithecidae Old World monkey is the common English name for a family of primates known taxonomically as the Cercopithecidae (). Twenty-four genera and 138 species are recognized, making it the largest primate family. Old World monkey genera include baboons ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist ...

. Its natural

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

is subtropical or tropical dry forests.

Genetically Genetics is the study of genes, genetic variation, and heredity in organisms.Hartl D, Jones E (2005) It is an important branch in biology because heredity is vital to organisms' evolution. Gregor Mendel, a Moravian Augustinian friar working i ...

the Indochinese black and

Hatinh langur The Hatinh langur (''Trachypithecus hatinhensis'') is a highly threatened Old World monkey found in limestone forests in Vietnam, primarily in the Quảng Bình Province. A recent survey discovered a small population living in the Quảng Trị ...

s are very close to the Laotian langur, and consequently it has been suggested they should be considered

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

of it.Roos, C. 2004. ''Molecular evolution and systematics of Vietnamese primates.'' In: Nadler, T., U. Streicher, and Ha Thang Long (eds). Conservation of Primates in Vietnam: 23-28.Roos, C., T. Nadler, Y. P. Zhang, H. Zischler. 2001. ''Molecular evolution and distribution of the superspecies Trachypithecus rancoisi'' Folia Primatol. 72: 181-182.

References

Laotian langur The Laotian langur or white-browed black langur (''Trachypithecus laotum'') is a species of primate in the family Cercopithecidae. It is endemic to Laos. Its natural habitat is subtropical or tropical dry forests. Genetically the Indochinese bla ...

Endemic fauna of Laos Mammals of Laos Primates of Southeast Asia Vulnerable fauna of Asia

Taxonomy articles created by Polbot {{oldworld-monkey-stub