NATURAL HISTORY · CATALOGUE RECORD
MacConnell's Oryzomys
Euryoryzomys macconnelli (Thomas, 1910)
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
Euryoryzomys macconnelli, also known as MacConnell's rice rat or MacConnell's oryzomys, is a rodent species from South America. It is found in Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname and Venezuela, where it lives in lowland tropical rainforest. It was formerly placed in the genus Oryzomys, as Oryzomys macconnelli, but in 2006 it was reclassified as the type species of the new genus Euryoryzomys.
Wikipedia contributors, Euryoryzomys macconnelli; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T07:48:03.420055+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Euryoryzomys macconnelli (Thomas, 1910)
- Name authority
- (Thomas, 1910)
- Common name
- MacConnell's Oryzomys
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Mammalia
- Order
- Rodentia
- Family
- Cricetidae
- Genus
- Euryoryzomys
- 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
- genusEuryoryzomys Weksler, Percequillo & Voss, 2006
- speciesEuryoryzomys macconnelli (Thomas, 1910)
Close classified relatives
These entries share the source’s genus, Euryoryzomys. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Emmons' OryzomysEuryoryzomys emmonsae (Musser, Carleton, Brothers & Gardner, 1998) | CricetidaeChordata | Accepted speciesRecorded extant |
| Big-headed Rice RatEuryoryzomys legatus (Thomas, 1925) | CricetidaeChordata | Accepted speciesRecorded extant |
| Elegant OryzomysEuryoryzomys nitidus (Thomas, 1884) | CricetidaeChordata | Accepted speciesRecorded extant |
| Russet OryzomysEuryoryzomys russatus (Wagner, 1848) | CricetidaeChordata | Accepted speciesRecorded extant |
| Buffy-sided OryzomysEuryoryzomys lamia (Thomas, 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 macconnelli Thomas, 1910 Thomas, 1910 | 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=972470 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:3D5RC. Classification follows source parent identifiers. English common names may vary by region.