Reithrodontomys fossil map
Where fossils of Reithrodontomys 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 | 4.7 million years ago to the present (Zanclean to Holocene) |
| Periods | Neogene, Quaternary |
| Family | Cricetidae |
| Named by | Giglioli 1874 |
| Fossil records | 188 occurrences at 60 locations (PBDB) |
| Found in | United States, Mexico |
| Rock formations | txn:41724, Kingsdown, Palm Spring, Good Creek, Alamosa, Crooked Creek |
About Reithrodontomys
Reithrodontomys is the genus of groove-toothed New World harvest mice.
Text in “About” is quoted from the Wikipedia article Reithrodontomys (revision 1248776877), 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: Q246808.
