Promacrauchenia fossil map
Where fossils of Promacrauchenia have been found, shown on the Earth as it looked about 5 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 5 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 | 8–2.58 million years ago (Tortonian to Piacenzian) |
| Periods | Neogene |
| Family | Macraucheniidae |
| Named by | Ameghino 1904 |
| Fossil records | 44 occurrences at 18 locations (PBDB) |
| Found in | Argentina, Bolivia |
| Rock formations | Monte Hermoso, Umala, txn:43493, Andalhuala, Saldungaray, Cerro Azul |
About Promacrauchenia
Promacrauchenia is an extinct genus of macraucheniids that lived during the Late Miocene to Late Pliocene epochs of what is now Argentina and Bolivia. It belongs to the subfamily Macraucheniinae, which also includes Huayqueriana, Macrauchenia, and Xenorhinotherium. Fossils of this genus have been found in the Ituzaingó, Andalhuala, and Cerro Azul Formations of Argentina.
Text in “About” is quoted from the Wikipedia article Promacrauchenia (revision 1315012569), 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: Q6087797.
