Pliocyon fossil map
Where fossils of Pliocyon 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 | 18.5–3.6 million years ago (Burdigalian to Zanclean) |
| Periods | Neogene |
| Family | Amphicyonidae |
| Named by | Matthew 1918 |
| Fossil records | 20 occurrences at 6 locations (PBDB) |
| Found in | United States |
| Rock formations | Olcott, Sheep Creek, txn:41266, Peace River, Butte Creek, Temblor |
About Pliocyon
Pliocyon is an extinct genus of amphicyonids which inhabited North America during the Middle Miocene 16.0—13.6 Ma, existing for approximately 2 million years. Fossils have been uncovered in South Florida, Oregon, and western Nebraska.
Text in “About” is quoted from the Wikipedia article Pliocyon (revision 1258221440), 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: Q4781890.
