Prolimnocyon fossil map
Where fossils of Prolimnocyon 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 | 59.24–45.9 million years ago (Thanetian to Lutetian) |
| Periods | Paleogene |
| Named by | Matthew and Granger 1915 |
| Fossil records | 174 occurrences at 35 locations (PBDB) |
| Found in | United States, Canada, Mexico, China |
| Rock formations | Willwood, Wind River, Wasatch, DeBeque, "Wasatch", Lower Variegated Sequence |
About Prolimnocyon
Prolimnocyon ("before Limnocyon") is an extinct paraphyletic genus of limnocyonin hyaenodonts that lived in Asia and North America during the Late Paleocene to Middle Eocene. Prolimnocyon chowi is one of the earliest known member of the order Hyaenodonta and clade Limnocyoninae.
Text in “About” is quoted from the Wikipedia article Prolimnocyon (revision 1377755801), 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: Q23048212.
