Prepoplanops fossil map
Where fossils of Prepoplanops 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 | 23.04–13.82 million years ago (Aquitanian to Langhian) |
| Periods | Neogene |
| Family | Megatheriidae |
| Named by | Carlini et al. 2013 |
| Fossil records | 4 occurrences at 2 locations (PBDB) |
| Found in | Argentina |
| Rock formations | Cerro Boleadoras |
About Prepoplanops
Prepoplanops is an extinct genus of ground sloth of the family Megatheriidae. It lived in the Miocene around 18 to 16 million years ago of what is now Argentina. The only known species is Prepoplanops boleadorensis.
Text in “About” is quoted from the Wikipedia article Prepoplanops (revision 1380883002), 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: Q110461569.