Drassonax fossil map
Where fossils of Drassonax have been found, shown on the Earth as it looked about 30 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 30 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 | 33.9–31.8 million years ago (Rupelian) |
| Periods | Paleogene |
| Family | Ursidae |
| Named by | Galbreath 1953 |
| Fossil records | 2 occurrences at 1 locations (PBDB) |
| Found in | United States |
| Rock formations | Brule |
About Drassonax
Drassonax is an extinct genus of small, weasel-like bear. It lived in North America during the Early Oligocene, around 33 Ma.
Text in “About” is quoted from the Wikipedia article Drassonax (revision 1255440900), 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: Q5305892.
