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NATURAL HISTORY · CATALOGUE RECORD

Geoffroy's Monk Saki

Pithecia monachus (É. Geoffroy Saint-Hilaire, 1812)

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.

Pithecia monachus

Pithecia monachus

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Open encyclopedia reference

The monk saki (Pithecia monachus) also known as Geoffroy's monk saki, is a species of saki monkey, a type of New World monkey, from South America. It is found in forested areas of northwestern Brazil and northeastern Peru.

Wikipedia contributors, Monk saki; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T08:38:47.027281+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Pithecia monachus (É. Geoffroy Saint-Hilaire, 1812)
Name authority
(É. Geoffroy Saint-Hilaire, 1812)
Common name
Geoffroy's Monk Saki
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Primates
Family
Pitheciidae
Genus
Pithecia
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.

  1. domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
  2. kingdomAnimalia
  3. phylumChordata
  4. subphylumVertebrata
  5. infraphylumGnathostomata
  6. parvphylumOsteichthyes
  7. megaclassTetrapoda
  8. classMammalia Linnaeus, 1758
  9. subclassTheria Parker & Haswell, 1897
  10. infraclassEutheria Gill, 1872
  11. orderPrimates Linnaeus, 1758
  12. suborderHaplorrhini Pocock, 1918
  13. infraorderSimiiformes Haeckel, 1866
  14. familyPitheciidae Mivart, 1865
  15. subfamilyPitheciinae Mivart, 1865
  16. genusPithecia Desmarest, 1804
  17. speciesPithecia monachus (É. Geoffroy Saint-Hilaire, 1812)

Close classified relatives

These entries share the source’s genus, Pithecia. They are not necessarily the closest relatives established by molecular evidence.

SpeciesClassificationSource status
Golden-faced SakiPithecia chrysocephala I. Geoffroy Saint-Hilaire, 1850PitheciidaeChordataAccepted speciesRecorded extant
Gray Monk SakiPithecia irrorata Gray, 1842PitheciidaeChordataAccepted speciesRecorded extant
Isabel's SakiPithecia isabela Marsh, 2014PitheciidaeChordataAccepted speciesRecorded extant
Mittermeier's Tapajós SakiPithecia mittermeieri Marsh, 2014PitheciidaeChordataAccepted speciesRecorded extant
Guianan SakiPithecia pithecia (Linnaeus, 1766)PitheciidaeChordataAccepted speciesRecorded extant
Vanzolini's Bald-faced SakiPithecia vanzolinii Hershkovitz, 1987PitheciidaeChordataAccepted speciesRecorded extant
Equatorial SakiPithecia aequatorialis Hershkovitz, 1987PitheciidaeChordataAccepted speciesRecorded extant
Cazuza's SakiPithecia cazuzai Marsh, 2014PitheciidaeChordataAccepted speciesRecorded extant
Hairy SakiPithecia hirsuta Spix, 1823PitheciidaeChordataAccepted speciesRecorded extant
Burnished SakiPithecia inusta Spix, 1823PitheciidaeChordataAccepted speciesRecorded extant
Miller's SakiPithecia milleri Allen, 1914PitheciidaeChordataAccepted speciesRecorded extant
Napo SakiPithecia napensis Lönnberg, 1938PitheciidaeChordataAccepted speciesRecorded extant

Browse 47 records assigned to Pitheciidae.

Names & synonyms

Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.

Recorded nameSource status
Pithecia monachus monachus (É. Geoffroy Saint-Hilaire, 1812) (É. Geoffroy Saint-Hilaire, 1812)synonym
Pithecia guapo Schinz, 1844 Schinz, 1844synonym

Documented distribution

Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.

South America

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.

  1. https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=572990 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.

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:6VLPB. Classification follows source parent identifiers. English common names may vary by region.