Perognathus fossil map
Where fossils of Perognathus have been found, shown on the Earth as it looked about 15 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 15 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 million years ago to the present (Aquitanian to Holocene) |
| Periods | Neogene, Quaternary |
| Family | Heteromyidae |
| Named by | Maximillian 1839 |
| Fossil records | 280 occurrences at 55 locations (PBDB) |
| Found in | United States, Canada, Mexico |
| Rock formations | txn:41673, Barstow, Valentine, Dove Spring, Blanco, Crowder |
About Perognathus
Perognathus is a genus of pocket mouse. Like other members of their family they are more closely related to pocket gophers than to true mice.
Text in “About” is quoted from the Wikipedia article Perognathus (revision 1366533153), 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: Q923659.
