Trachypithecus obscurus

(J. Reid, 1837)

Dusky Langur

Taxonomy

Subclass : Theria
Infraclass : Placentalia
Magnorder : Boreoeutheria
Superorder : Euarchontoglires
Order : Primates
Suborder : Haplorhini
Infraorder : Simiiformes
Parvorder : Catarrhini
Superfamily : Cercopithecoidea
Family : Cercopithecidae
Subfamily : Colobinae
Tribe : Presbytini
Genus : Trachypithecus

Species status

Living
Found in the wild
Listed in MSW3 2005

Authority citation

Reid, J. 1837-10-03. Mr. James Reid exhibited to the Meeting, and characterized as new, under the name of Obscurus, a dark-coloured monkey, from the Society's collection, belonging to the genus _Semnopithecus._. Proceedings of the Zoological Society of London 1837:14.

Authority publication link

https://www.biodiversitylibrary.org/page/30570899

Original name as described

Semnopithecus Obscurus

Other common names

Spectacled Leaf Monkey · Dusky Leaf Monkey · Dusky Leaf-monkey · Spectacled Langur · Creamy-tailed Dusky Langur · Blond-tailed Langur · Cantor's Langur · Cantor's Dusky Langur · Koh Pennan Dusky Langur · Phangan Langur · Perhentian Langur · Perhentian Island Dusky Langur · Reid's Dusky Langur · St. Matthew Island Dusky Langur · Zadetkyi Kyun Langur · Terutau Island Dusky Langur · Tarutao Langur

Type locality

Malaysia. Restricted by F. N. Chasen in 1940 to Malacca.

Biogeographic realm

Indomalaya

Country distribution

Myanmar · Thailand · Malaysia

IUCN Red List status

Endangered

Species Permalink

https://www.mammaldiversity.org/taxon/1000710

Country distribution map

The map below provides a general overview. Most species inhabit only specific regions within countries. Hover over the highlighted regions to see the country name.

Names and synonyms

Present and past (if available) associated names to the species. Click on a name to view its details. If the list is long, scroll down to see more.

Presbytis obscura carbo

(O. Thomas & Wroughton, 1909)

Family

Cercopithecidae

Root name

carbo

Validity status

synonym

Nomenclatural status

available

Type

BMNH:Mamm:1909.11.1.4

Type kind

holotype

Type specimen URI

https://data.nhm.ac.uk/object/8ca0f3bd-687d-45e7-a784-1f364e0ad8d7 https://data.nhm.ac.uk/object/c83e5439-dad0-423f-9ee4-3fcd93839473

Authority page

534

Authority page URI

https://www.biodiversitylibrary.org/page/22097915

Authority publication

Annals and Magazine of Natural History

Trachypithecus obscurus corax

Pocock, 1934

Family

Cercopithecidae

Root name

corax

Validity status

synonym

Nomenclatural status

available

Type

BMNH:Mamm:1914.12.8.28

Type kind

holotype

Type specimen URI

https://data.nhm.ac.uk/object/62b8dee3-6cdb-42fa-b161-882d786e0cb3 https://data.nhm.ac.uk/object/bbdceeb3-f29c-46e5-8dee-166732d15d5e

Authority page

944

Authority publication

Proceedings of the Zoological Society of London

Name usages

Groves (2005) (information at https://hesperomys.com/a/8549)

Presbytis osbcura smithi

(Kloss, 1916)

Family

Cercopithecidae

Root name

smithi

Validity status

synonym

Nomenclatural status

available

Type

BMNH:Mamm:1920.7.3.3 (= CBK 2080)

Type kind

holotype

Type specimen URI

https://data.nhm.ac.uk/object/6f68c8d4-0f3a-4876-ba20-0bd66a021314 https://data.nhm.ac.uk/object/f6849e85-ef87-4bd1-85ce-64d8d819c72a

Authority page

5

Authority page URI

https://www.biodiversitylibrary.org/page/12263948

Authority publication

Journal of the Natural History Society of Siam

Pithecus obscurus seimundi

(Chasen, 1940)

Family

Cercopithecidae

Root name

seimundi

Validity status

synonym

Nomenclatural status

available

Type

BMNH:Mamm:1947.1500

Type kind

holotype

Type specimen URI

https://data.nhm.ac.uk/object/a2079493-11f2-4d15-b919-85e1eb31141a

Authority page

80

Authority publication

Bulletin of Raffles Museum

Presbytis obscura styx

(Kloss, 1911)

Family

Cercopithecidae

Root name

styx

Validity status

synonym

Nomenclatural status

available

Type

BMNH:Mamm:1949.424 (= FMSM 2061/10)

Type kind

holotype

Type specimen URI

https://data.nhm.ac.uk/object/81fbe4bf-4c57-4f13-a265-42d8f44140b4 https://data.nhm.ac.uk/object/e0268fcd-26bb-4ebc-8871-36146886fb2e

Authority page

116

Authority page URI

https://www.biodiversitylibrary.org/page/15814820

Authority publication

Annals and Magazine of Natural History

Pygathrix sanctorum

(D. G. Elliot, 1910)

Family

Cercopithecidae

Root name

sanctorum

Validity status

synonym

Nomenclatural status

available

Type

USNM:MAMM:104446

Type kind

holotype

Type specimen URI

http://n2t.net/ark:/65665/3f5b6bff0-41ce-4121-b103-676ed5046d4a

Authority page

351

Authority page URI

https://www.biodiversitylibrary.org/page/7616095

Authority publication

Proceedings of the United States National Museum

Presbytis corvus

(G. S. Miller, 1913)

Family

Cercopithecidae

Root name

corvus

Validity status

synonym

Nomenclatural status

available

Type

USNM:MAMM:123993

Type kind

holotype

Type specimen URI

http://n2t.net/ark:/65665/3591616f0-769e-46d2-bec6-288e50b5b086

Authority page

27

Authority page URI

https://www.biodiversitylibrary.org/page/30096153

Authority publication

Smithsonian Miscellaneous Collections

Name usages

Groves (2005) (information at https://hesperomys.com/a/8549)

Pygathrix flavicauda

(D. G. Elliot, 1910)

Family

Cercopithecidae

Root name

flavicauda

Validity status

synonym

Nomenclatural status

available

Type

USNM:MAMM:83259

Type kind

holotype

Type specimen URI

http://n2t.net/ark:/65665/3d73045cb-97ab-4ff6-a5f5-b413b1510ef6

Authority page

352

Authority page URI

https://www.biodiversitylibrary.org/page/7616096

Authority publication

Proceedings of the United States National Museum

Presbytis obscura

(Corbet & J. Edwards Hill, 1980)

Family

Cercopithecidae

Root name

obscura

Validity status

synonym

Nomenclatural status

name_combination

Authority page

90

Authority publication

London

Name usages

  1. Corbet & Hill (1980:90) (information at https://hesperomys.com/a/63069)
  2. Honacki, Kinman & Koeppl (1982:239) (information at https://hesperomys.com/a/63071)

Trachypithecus obscurus carbo

Groves, 2005

Family

Cercopithecidae

Root name

carbo

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

Groves (2005) (information at https://hesperomys.com/a/8549)

Trachypithecus obscurus flavicauda

Groves, 2005

Family

Cercopithecidae

Root name

flavicauda

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

Groves (2005) (information at https://hesperomys.com/a/8549)

Trachypithecus obscurus halonifer

Groves, 2005

Family

Cercopithecidae

Root name

halonifer

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

Groves (2005) (information at https://hesperomys.com/a/8549)

Trachypithecus obscurus

Groves, 2005

Family

Cercopithecidae

Root name

obscurus

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

  1. Groves (2005) (information at https://hesperomys.com/a/8549)
  2. O'Brien, Menninger & Nash (2006:156) (information at https://hesperomys.com/a/7321)
  3. Mittermeier, Rylands & Wilson (2013:747) (information at https://hesperomys.com/a/59513)
  4. Mammal Diversity Database (2018:ID #22039) (information at https://hesperomys.com/a/67336)
  5. Mammal Diversity Database (2019:ID #22039) (information at https://hesperomys.com/a/67337)
  6. Mammal Diversity Database (2024, https://www.mammaldiversity.org/taxon/1000710) (information at https://hesperomys.com/a/67250)
  7. International Union for the Conservation of Nature (2024, https://www.iucnredlist.org/species/22039/17960562) (information at https://hesperomys.com/a/67246)

Trachypithecus obscurus obscurus

Groves, 2005

Family

Cercopithecidae

Root name

obscurus

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

  1. Groves (2005) (information at https://hesperomys.com/a/8549)
  2. Mittermeier, Rylands & Wilson (2013:747) (information at https://hesperomys.com/a/59513)

Trachypithecus obscurus sanctorum

Groves, 2005

Family

Cercopithecidae

Root name

sanctorum

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

Groves (2005) (information at https://hesperomys.com/a/8549)

Trachypithecus obscurus seimundi

Groves, 2005

Family

Cercopithecidae

Root name

seimundi

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

Groves (2005) (information at https://hesperomys.com/a/8549)

smithii

Groves, 2005

Family

Cercopithecidae

Root name

smithii

Validity status

synonym

Nomenclatural status

incorrectsubsequentspelling

Authority page

177

Authority publication

Baltimore

Name usages

Groves (2005:177) (information at https://hesperomys.com/a/8549)

Trachypithecus obscurus styx

Groves, 2005

Family

Cercopithecidae

Root name

styx

Validity status

synonym

Nomenclatural status

name_combination

Authority publication

Baltimore

Name usages

Groves (2005) (information at https://hesperomys.com/a/8549)

Presbytis obscurus

(E. Blyth, 1863)

Family

Cercopithecidae

Root name

obscurus

Validity status

synonym

Nomenclatural status

name_combination

Authority page

14

Authority page URI

https://www.biodiversitylibrary.org/page/47534726

Authority publication

Calcutta

Name usages

Blyth (1863:14, https://www.biodiversitylibrary.org/page/47534726) (information at https://hesperomys.com/a/37155)

Semnopithecus Obscurus

(J. Reid, 1837)

Family

Cercopithecidae

Root name

obscurus

Validity status

species

Nomenclatural status

available

Authority page

14

Authority page URI

https://www.biodiversitylibrary.org/page/30570899

Authority publication

Proceedings of the Zoological Society of London

Semnopithecus leucomystax

(S. Müller & Schlegel in Temminck, 1841)

Family

Cercopithecidae

Root name

leucomystax

Validity status

synonym

Nomenclatural status

available

Authority page

59

Authority page URI

https://www.biodiversitylibrary.org/page/50103366

Authority publication

Leiden

Name usages

Groves (2005) (information at https://hesperomys.com/a/8549)

Semnopithecus halonifer

(Cantor, 1845)

Family

Cercopithecidae

Root name

halonifer

Validity status

synonym

Nomenclatural status

available

Authority page

235

Authority page URI

https://www.biodiversitylibrary.org/page/8550159

Authority publication

Proceedings of the Linnean Society of London

Presbytis ruhei

(Knottnerus-Meyer, 1933)

Family

Cercopithecidae

Root name

ruhei

Validity status

synonym

Nomenclatural status

available

Authority page

259

Authority publication

Zoologische Garten (Leipzig)

Name usages

Groves (2005) (information at https://hesperomys.com/a/8549)

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