Paenemarmota fossil map
Where fossils of Paenemarmota have been found, shown on the Earth as it looked about 5 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 5 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 | 23.04–1.4 million years ago (Aquitanian to Calabrian) |
| Periods | Neogene, Quaternary |
| Family | Sciuridae |
| Named by | Hibbard and Schultz 1948 |
| Fossil records | 52 occurrences at 19 locations (PBDB) |
| Found in | United States, Mexico |
| Rock formations | txn:41486, Glenns Ferry, Blanco, Rancho Viejo Beds, Rexroad, Thousand Creek |
About Paenemarmota
Paenemarmota is an extinct genus of ground squirrel from North America. Fossils are known from the Blancan and Hemphillian age from localities in the United States (Nebraska, Kansas, Texas, Arizona) and Mexico. At around the size of a beaver, Paenemarmota is the largest known member of the squirrel family.
Text in “About” is quoted from the Wikipedia article Paenemarmota (revision 1358193276), 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: Q107694388.
