NATURAL HISTORY · CATALOGUE RECORD
Northern White-cheeked Crested Gibbon
Nomascus leucogenys (Ogilby, 1840)
Source-backed taxonomic record
Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.
Open encyclopedia reference
The northern white-cheeked gibbon (Nomascus leucogenys) is a Critically Endangered species of gibbon native to South East Asia.
It is closely related to the southern white-cheeked gibbon (Nomascus siki), with which it was previously considered conspecific. The females of the two species are virtually indistinguishable in appearance.
The genome of N. leucogenys was sequenced and published in 2011.
Wikipedia contributors, Northern white-cheeked gibbon; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T13:17:10.211457+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Nomascus leucogenys (Ogilby, 1840)
- Name authority
- (Ogilby, 1840)
- Common name
- Northern White-cheeked Crested Gibbon
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Mammalia
- Order
- Primates
- Family
- Hylobatidae
- Genus
- Nomascus
- Extinction status
- Recorded extant
Classification family tree
Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- megaclassTetrapoda
- classMammalia Linnaeus, 1758
- subclassTheria Parker & Haswell, 1897
- infraclassEutheria Gill, 1872
- orderPrimates Linnaeus, 1758
- suborderHaplorrhini Pocock, 1918
- infraorderSimiiformes Haeckel, 1866
- superfamilyHominoidea Gray, 1825
- familyHylobatidae Gray, 1871
- genusNomascus Miller, 1933
- speciesNomascus leucogenys (Ogilby, 1840)
Close classified relatives
These entries share the source’s genus, Nomascus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Northern Yellow-cheeked Crested GibbonNomascus annamensis Thinh, Mootnick, Thanh, Nadler & Roos, 2010 | HylobatidaeChordata | Accepted speciesRecorded extant |
| Hainan Crested GibbonNomascus hainanus (Thomas, 1892) | HylobatidaeChordata | Accepted speciesRecorded extant |
| Eastern Black Crested GibbonNomascus nasutus (Kunkel d'Herculais, 1884) | HylobatidaeChordata | Accepted speciesRecorded extant |
| Black Crested GibbonNomascus concolor (Harlan, 1826) | HylobatidaeChordata | Accepted speciesRecorded extant |
| Buff-cheeked GibbonNomascus gabriellae (Thomas, 1909) | HylobatidaeChordata | Accepted speciesRecorded extant |
| Southern White-cheeked Crested GibbonNomascus siki (Delacour, 1951) | HylobatidaeChordata | Accepted speciesRecorded extant |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Hylobates leucogenys Ogilby, 1840 Ogilby, 1840 | synonym |
Documented distribution
Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.
Source literature & publication evidence
References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.
- https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=944290 Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references
Origins, evidence & remaining research
Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.
Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.
Dataset citation & attribution
This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11
Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.
Stable key: col:47NQP. Classification follows source parent identifiers. English common names may vary by region.