Pediomys fossil map
Where fossils of Pediomys have been found, shown on the Earth as it looked about 66 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 66 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 | 83.6–66 million years ago (Campanian to Maastrichtian) |
| Periods | Cretaceous |
| Family | Pediomyidae |
| Named by | Marsh 1889 |
| Fossil records | 80 occurrences at 28 locations (PBDB) |
| Found in | United States, Canada, Portugal, Mexico |
| Rock formations | Hell Creek, Lance, Frenchman, Scollard, Wahweap, Dinosaur Park |
About Pediomys
Pediomys is an extinct genus of pediomyid marsupial from the Late Cretaceous of North America.
Text in “About” is quoted from the Wikipedia article Pediomys (revision 1333225108), 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: Q12901422.
