NATURAL HISTORY · CATALOGUE RECORD
Amazonian Oryzomys
Hylaeamys yunganus (Thomas, 1902)
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
Hylaeamys yunganus, also known as the Amazonian oryzomys or Yungas rice rat, is a species of rodent in the genus Hylaeamys of family Cricetidae. It is found in lowland tropical rainforest throughout Amazonia, in northeastern Bolivia, eastern Peru, eastern Ecuador, southeastern Colombia, southern Venezuela, Guyana, Suriname, French Guiana, and northern Brazil. A closely related species, Hylaeamys tatei, occurs only in a small area in eastern Ecuador. Both were previously placed in Oryzomys.
Wikipedia contributors, Hylaeamys yunganus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T06:50:51.655366+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Hylaeamys yunganus (Thomas, 1902)
- Name authority
- (Thomas, 1902)
- Common name
- Amazonian Oryzomys
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Mammalia
- Order
- Rodentia
- Family
- Cricetidae
- Genus
- Hylaeamys
- 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
- suborderMyomorpha Brandt, 1855
- superfamilyMuroidea Illiger, 1811
- familyCricetidae Fischer, 1817
- subfamilySigmodontinae Wagner, 1843
- genusHylaeamys Weksler, Percequillo & Voss, 2006
- speciesHylaeamys yunganus (Thomas, 1902)
Close classified relatives
These entries share the source’s genus, Hylaeamys. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Hylaeamys acritus (Emmons & Patton, 2005) | CricetidaeChordata | Accepted speciesRecorded extant |
| Sowbug Rice RatHylaeamys oniscus (Thomas, 1904) | CricetidaeChordata | Accepted speciesRecorded extant |
| Tate's OryzomysHylaeamys tatei (Musser, Carleton, Brothers & Gardner, 1998) | CricetidaeChordata | Accepted speciesRecorded extant |
| Atlantic Forest OryzomysHylaeamys laticeps (Lund, 1840) | CricetidaeChordata | Accepted speciesRecorded extant |
| Azara's Broad-headed OryzomysHylaeamys megacephalus (Fischer, 1814) | CricetidaeChordata | Accepted speciesRecorded extant |
| Western Amazonian OryzomysHylaeamys perenensis (J. A. Allen, 1901) | CricetidaeChordata | Accepted speciesRecorded extant |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Oryzomys yunganus Thomas, 1902 Thomas, 1902 | 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=972486 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:3NDGT. Classification follows source parent identifiers. English common names may vary by region.