Eoviscaccia fossil map
Where fossils of Eoviscaccia have been found, shown on the Earth as it looked about 15 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 15 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 | 33.9–17.5 million years ago (Rupelian to Burdigalian) |
| Periods | Paleogene, Neogene |
| Family | Chinchillidae |
| Named by | Vucetich 1989 |
| Fossil records | 28 occurrences at 14 locations (PBDB) |
| Found in | Argentina, Bolivia, Chile |
| Rock formations | Sarmiento, Cerro Bandera, txn:42075, Fray Bentos, Chichinales, Abanico |
About Eoviscaccia
Eoviscaccia is an extinct genus of chinchillid rodent that lived during the Early Oligocene (Tinguirirican) to the Early Miocene (Colhuehuapian) in what is now South America. Fossils of this genus have been found in the Cerro Bandera, Chichinales, Fray Bentos, and Sarmiento Formations of Argentina, the Salla Formation of Bolivia, and the Abanico Formation of Chile.
Text in “About” is quoted from the Wikipedia article Eoviscaccia (revision 1232823462), 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: Q21224147.
