NATURAL HISTORY · CATALOGUE RECORD
Colombian Speckled Tree-rat
Pattonomys semivillosus (I. Geoffroy Saint-Hilaire, 1838)
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.
Pattonomys semivillosus, Sabana de Torres, Santander, Colombia, 2023-08-04 (iNaturalist).
Hugo Bernal Hernández · CC BY 4.0 · Image sourceProvider-generated thumbnail requested at 800 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
The speckled spiny tree-rat (Pattonomys semivillosus), also known as the Colombian speckled tree-rat, is a species of rodent in the family Echimyidae. It is found in the swampy ciénegas of northeastern Colombia and northwestern Venezuela. It can be found in gallery forests, dry forests and mangrove forests. Its diet includes fruit and seeds.
Wikipedia contributors, Speckled spiny tree-rat; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T11:44:21.578121+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Pattonomys semivillosus (I. Geoffroy Saint-Hilaire, 1838)
- Name authority
- (I. Geoffroy Saint-Hilaire, 1838)
- Common name
- Colombian Speckled Tree-rat
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Mammalia
- Order
- Rodentia
- Family
- Echimyidae
- Genus
- Pattonomys
- 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
- orderRodentia Bowdich, 1821
- suborderHystricomorpha Brandt, 1855
- infraorderHystricognathi Brandt, 1855
- familyEchimyidae Gray, 1825
- subfamilyEchimyinae Gray, 1825
- tribeEchimyini Gray, 1825
- genusPattonomys Emmons, 2005
- speciesPattonomys semivillosus (I. Geoffroy Saint-Hilaire, 1838)
Close classified relatives
No other member of this genus is present in the selected snapshot.
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Nelomys semivillosus I. Geoffroy Saint-Hilaire, 1838 I. Geoffroy Saint-Hilaire, 1838 | synonym |
| Echimys semivillosus (I. Geoffroy Saint-Hilaire, 1838) (I. Geoffroy Saint-Hilaire, 1838) | 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=1221753 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:C3Y8K. Classification follows source parent identifiers. English common names may vary by region.