Oecomys fossil map
Where fossils of Oecomys have been found, shown on the Earth as it looked about 0 million years ago and on today’s map.
Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 0 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →
| Group | Early mammals |
|---|---|
| Lived | 2.58 million years ago to the present (Gelasian to Holocene) |
| Periods | Quaternary |
| Family | Cricetidae |
| Named by | Thomas 1906 |
| Fossil records | 6 occurrences at 2 locations (PBDB) |
| Found in | Peru, Brazil |
| Rock formations | txn:41724 |
About Oecomys
Oecomys is a genus of rodent within the tribe Oryzomyini of family Cricetidae. It contains about 17 species, which live in trees and are distributed across forested parts of South America, extending into Panama and Trinidad.
Text in “About” is quoted from the Wikipedia article Oecomys (revision 1340840275), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q232585.
