Bathygenys fossil map
Where fossils of Bathygenys have been found, shown on the Earth as it looked about 30 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 30 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 | 37–31.8 million years ago (Priabonian to Rupelian) |
| Periods | Paleogene |
| Family | Merycoidodontidae |
| Named by | Douglass 1902 |
| Fossil records | 46 occurrences at 11 locations (PBDB) |
| Found in | United States, Canada, Mexico |
| Rock formations | White River, Renova, txn:42488, Chadron, Capote Mountain Tuff, Cypress Hills |
About Bathygenys
Bathygenys is an extinct genus of oreodont within the family Merycoidodontidae and subfamily Oreonetinae, endemic to western North America. It lived during the late Eocene (Chadronian NALMA).
Like other oreodonts, Bathygenys was a herbivore which probably had a heavily-built body, short tail, short feet, and four-toed hooves. It was one of the earliest and smallest known oreodonts, with a relatively deep lower jaw and a small, rounded periotic bone. Bathygenys is used as the main mammalian index fossil of the Chadronian age.
Text in “About” is quoted from the Wikipedia article Bathygenys (revision 1373559580), 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: Q4869182.
