Heteromeryx fossil map
Where fossils of Heteromeryx 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 | 39.7–33.9 million years ago (Bartonian to Priabonian) |
| Periods | Paleogene |
| Family | Protoceratidae |
| Named by | Matthew 1905 |
| Fossil records | 10 occurrences at 4 locations (PBDB) |
| Found in | United States |
| Rock formations | txn:42572, Chadron, Chambers Tuff |
About Heteromeryx
Heteromeryx is an extinct genus of artiodactyl, of the family Protoceratidae, endemic to North America. They lived during the Late Eocene 37.2—33.9 Ma, existing for approximately 3 million years. They resembled deer, but were more closely related to camelids.
Its name comes from hetero (ἕτερος) "different' and meryx "ruminant".
Text in “About” is quoted from the Wikipedia article Heteromeryx (revision 1258127080), 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: Q5747340.
