Tetrameryx fossil map
Where fossils of Tetrameryx 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 | 4.7–0.0117 million years ago (Zanclean to Late Pleistocene) |
| Periods | Neogene, Quaternary |
| Family | Antilocapridae |
| Named by | Lull 1921 |
| Fossil records | 54 occurrences at 17 locations (PBDB) |
| Found in | United States, Mexico, Canada |
| Rock formations | txn:42720, Palm Spring, Seymour, "unnamed sandstone", Tacubaya, Gila Conglomerate |
About Tetrameryx
Tetrameryx is an extinct genus of the North American artiodactyl family Antilocapridae, known from Mexico, the western United States, and Saskatchewan in Canada.
Text in “About” is quoted from the Wikipedia article Tetrameryx (revision 1258139861), 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: Q22286408.
