Plionarctos fossil map
Where fossils of Plionarctos 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 | 9.4–0.129 million years ago (Tortonian to Chibanian) |
| Periods | Neogene, Quaternary |
| Family | Ursidae |
| Named by | Frick 1926 |
| Fossil records | 28 occurrences at 13 locations (PBDB) |
| Found in | United States, France |
| Rock formations | txn:41301, Peace River, Ringold, Ash Hollow, Mt. Eden |
About Plionarctos
Plionarctos is an extinct genus of short-faced bear endemic to North America from the Late Miocene to the Pliocene.
Text in “About” is quoted from the Wikipedia article Plionarctos (revision 1371791214), 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: Q3445718.