NATURAL HISTORY · CATALOGUE RECORD
Guaira Spiny-rat
Proechimys guairae Thomas, 1901
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 Guaira spiny-rat (Proechimys guairae) is a species of rodent in the family Echimyidae. It is endemic to Venezuela. It is commonly referred to as 'casiragua' to avoid confusion with true rats (Muroidea)
Wikipedia contributors, Guaira spiny rat; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T05:16:29.086893+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Proechimys guairae Thomas, 1901
- Name authority
- Thomas, 1901
- Common name
- Guaira Spiny-rat
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Mammalia
- Order
- Rodentia
- Family
- Echimyidae
- Genus
- Proechimys
- 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
- tribeMyocastorini Ameghino, 1902
- genusProechimys J. A. Allen, 1899
- speciesProechimys guairae Thomas, 1901
Close classified relatives
These entries share the source’s genus, Proechimys. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Boyacá Spiny-ratProechimys chrysaeolus (Thomas, 1898) | EchimyidaeChordata | Accepted speciesRecorded extant |
| Simon's Spiny-ratProechimys simonsi Thomas, 1900 | EchimyidaeChordata | Accepted speciesRecorded extant |
| Trinidad Spiny-ratProechimys trinitatis (J. A. Allen & Chapman, 1893) | EchimyidaeChordata | Accepted speciesRecorded extant |
| Minca Spiny-ratProechimys mincae (J. A. Allen, 1899) | EchimyidaeChordata | Accepted speciesRecorded extant |
| Short-tailed Spiny-ratProechimys brevicauda (Günther, 1877) | EchimyidaeChordata | Accepted speciesRecorded extant |
| Colombian Spiny-ratProechimys canicollis (J. A. Allen, 1899) | EchimyidaeChordata | Accepted speciesRecorded extant |
| Cuvier's Spiny-ratProechimys cuvieri Petter, 1978 | EchimyidaeChordata | Accepted speciesRecorded extant |
| Pacific Spiny-ratProechimys decumanus (Thomas, 1899) | EchimyidaeChordata | Accepted speciesRecorded extant |
| Stiff-spine Spiny-ratProechimys echinothrix da Silva, 1998 | EchimyidaeChordata | Accepted speciesRecorded extant |
| Gardner's Spiny-ratProechimys gardneri da Silva, 1998 | EchimyidaeChordata | Accepted speciesRecorded extant |
| Goeldi's Spiny-ratProechimys goeldii Thomas, 1905 | EchimyidaeChordata | Accepted speciesRecorded extant |
| Guyenne Spiny-ratProechimys guyannensis (É. Geoffroy Saint-Hilaire, 1803) | EchimyidaeChordata | Accepted speciesRecorded extant |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Proechimys poliopus Osgood, 1914 Osgood, 1914 | 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=584839 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:4MQKZ. Classification follows source parent identifiers. English common names may vary by region.