Dioplotherium fossil map
Where fossils of Dioplotherium 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 | 27.3–3.6 million years ago (Chattian to Zanclean) |
| Periods | Paleogene, Neogene |
| Family | Dugongidae |
| Named by | Cope 1883 |
| Fossil records | 40 occurrences at 18 locations (PBDB) |
| Found in | United States, Brazil, Mexico, Argentina |
| Rock formations | Pirabas, txn:43286, Statenville, Monterey, Parana, Parachucla |
About Dioplotherium
Dioplotherium is an extinct genus of sirenian related to the dugongs, known from Neogene-aged deposits from southern North America.
Text in “About” is quoted from the Wikipedia article Dioplotherium (revision 1284186330), 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: Q676188.
