Osbornodon fossil map
Where fossils of Osbornodon 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 | 33.9–12.5 million years ago (Rupelian to Serravallian) |
| Periods | Paleogene, Neogene |
| Family | Canidae |
| Named by | Wang 1994 |
| Fossil records | 68 occurrences at 23 locations (PBDB) |
| Found in | United States |
| Rock formations | txn:41189, Brule, Sheep Creek, Barstow, Olcott, John Day |
About Osbornodon
Osbornodon ("Osborn's tooth") is an extinct genus of canid that were endemic to North America and which lived from the Oligocene to the Early Miocene, 33.9—15.97 Ma (AEO), existing for approximately 18 million years.
It was the last surviving genus of the hesperocyonine subfamily, the oldest subfamily of canids. The genus is named for Henry Fairfield Osborn.
Text in “About” is quoted from the Wikipedia article Osbornodon (revision 1275716590), 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: Q3886374.
