Hayoceros fossil map
Where fossils of Hayoceros have been found, shown on the Earth as it looked about 0 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 0 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 | 1.4–0.21 million years ago (Calabrian to Chibanian) |
| Periods | Quaternary |
| Family | Antilocapridae |
| Named by | Skinner 1942 |
| Fossil records | 6 occurrences at 2 locations (PBDB) |
| Found in | United States |
| Rock formations | txn:42720, Tule |
About Hayoceros
Hayoceros is an extinct genus of the artiodactyl family Antilocapridae, endemic to North America during the Pleistocene epoch (1.8 mya—300,000 years ago), existing for about 1.5 million years.
Text in “About” is quoted from the Wikipedia article Hayoceros (revision 1354829201), 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: Q840096.
