Paressonodon fossil map
Where fossils of Paressonodon 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 | 72.2–66 million years ago (Maastrichtian) |
| Periods | Cretaceous |
| Family | Cimolomyidae |
| Named by | Wilson et al. 2010 |
| Fossil records | 6 occurrences at 3 locations (PBDB) |
| Found in | United States |
| Rock formations | Lance, Laramie |
About Paressonodon
Paressonodon is an extinct genus of multituberculate which existed in western North America during the end of the Cretaceous period. It contains the species Paressonodon nelsoni. Fossils are known from the Laramie Formation of Colorado and the Lance Formation of Wyoming.
Text in “About” is quoted from the Wikipedia article Paressonodon (revision 1283167873), 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: Q7136863.
