Lambertocyon fossil map
Where fossils of Lambertocyon have been found, shown on the Earth as it looked about 56 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 56 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 | 63.4–56 million years ago (Danian to Thanetian) |
| Periods | Paleogene |
| Family | Arctocyonidae |
| Named by | Gingerich 1979 |
| Fossil records | 44 occurrences at 13 locations (PBDB) |
| Found in | United States |
| Rock formations | Fort Union, DeBeque, Black Peaks, Wasatch, txn:42198, Goler |
About Lambertocyon
Lambertocyon is a genus of ungulates from western North America. Three species are known, making their last appearance in the Late Paleocene Clarkforkian stage.
Text in “About” is quoted from the Wikipedia article Lambertocyon (revision 1368551182), 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: Q11931127.
