Pliometanastes fossil map
Where fossils of Pliometanastes 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 | 9.4–1.4 million years ago (Tortonian to Calabrian) |
| Periods | Neogene, Quaternary |
| Family | Megalonychidae |
| Named by | Hirschfeld and Webb 1968 |
| Fossil records | 26 occurrences at 11 locations (PBDB) |
| Found in | United States, Costa Rica, Mexico |
| Rock formations | txn:43596, Alachua, Chamita, Ash Hollow, Caliente, Mehrten |
About Pliometanastes
Pliometanastes is an extinct genus of ground sloths of the family Megalonychidae endemic to North America during the Late Miocene epoch through very early Pliocene epoch (Hemphillian in the NALMA classification). Its fossils have been found in Costa Rica and across the southern United States from California to Florida.
Text in “About” is quoted from the Wikipedia article Pliometanastes (revision 1258221455), 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: Q3906721.
