Copecion fossil map
Where fossils of Copecion 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 | 60.9–48.07 million years ago (Selandian to Ypresian) |
| Periods | Paleogene |
| Family | Phenacodontidae |
| Named by | Gingerich 1989 |
| Fossil records | 162 occurrences at 31 locations (PBDB) |
| Found in | United States |
| Rock formations | Willwood, DeBeque, Wasatch, txn:42284, Wind River, "Wasatch" |
About Copecion
Copecion was a genus of early herbivorous mammals that was part of the family Phenacodontidae. It reached 6 to 12 kg and was similar in size and morphology to Ectocion. Both these herbivorous ungulates likely occupied similar ecological niches.
Text in “About” is quoted from the Wikipedia article Copecion (revision 1286362910), 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: Q24883936.
