Ancylocoelus fossil map
Where fossils of Ancylocoelus 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 | 29–21 million years ago (Rupelian to Aquitanian) |
| Periods | Paleogene, Neogene |
| Family | Leontiniidae |
| Named by | Ameghino 1895 |
| Fossil records | 10 occurrences at 4 locations (PBDB) |
| Found in | Argentina |
| Rock formations | Sarmiento, Deseado |
About Ancylocoelus
Ancylocoelus is an extinct genus of mammal, belonging to the order Notoungulata. It lived during the Late Oligocene, in what is today Argentina, in South America.
Text in “About” is quoted from the Wikipedia article Ancylocoelus (revision 1280781705), 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: Q23000919.
