NATURAL HISTORY · CATALOGUE RECORD
Bare-eared Squirrel Monkey
Saimiri ustus (I. Geoffroy Saint-Hilaire, 1843)
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.
Identity & source status
- Scientific name
- Saimiri ustus (I. Geoffroy Saint-Hilaire, 1843)
- Name authority
- (I. Geoffroy Saint-Hilaire, 1843)
- Common name
- Bare-eared Squirrel Monkey
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Mammalia
- Order
- Primates
- Family
- Cebidae
- Genus
- Saimiri
- 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
- familyCebidae Bonaparte, 1831
- subfamilySaimiriinae Miller, 1812
- genusSaimiri Voigt in G. Cuvier, 1831
- speciesSaimiri ustus (I. Geoffroy Saint-Hilaire, 1843)
Close classified relatives
These entries share the source’s genus, Saimiri. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Central American Squirrel MonkeySaimiri oerstedii (Reinhardt, 1872) | CebidaeChordata | Accepted speciesRecorded extant |
| Common Squirrel MonkeySaimiri sciureus (Linnaeus, 1758) | CebidaeChordata | Accepted speciesRecorded extant |
| Black-capped Squirrel MonkeySaimiri boliviensis (I. Geoffroy Saint-Hilaire & de Blainville, 1834) | CebidaeChordata | Accepted speciesRecorded extant |
| Humboldt's Squirrel MonkeySaimiri cassiquiarensis (Lesson, 1840) | CebidaeChordata | Accepted speciesRecorded extant |
| Collins' Squirrel MonkeySaimiri collinsi Osgood, 1916 | CebidaeChordata | Accepted speciesRecorded extant |
| Ecuadorean Squirrel MonkeySaimiri macrodon Elliot, 1907 | CebidaeChordata | Accepted speciesRecorded extant |
| Black Squirrel MonkeySaimiri vanzolinii Ayres, 1985 | CebidaeChordata | Accepted speciesRecorded extant |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Saimiri madeirae Thomas, 1908 Thomas, 1908 | 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=572981 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:4TZK4. Classification follows source parent identifiers. English common names may vary by region.