Protitanotherium fossil map
Where fossils of Protitanotherium have been found, shown on the Earth as it looked about 45 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 45 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 | 45.9–23.04 million years ago (Lutetian to Chattian) |
| Periods | Paleogene |
| Family | Brontotheriidae |
| Named by | Osborn 1908 |
| Fossil records | 18 occurrences at 7 locations (PBDB) |
| Found in | United States, North Korea |
| Rock formations | Uinta, txn:43027, Devil's Graveyard, Baca, Duchesne River |
About Protitanotherium
Protitanotherium is an extinct genus of horned brontothere that lived in North America during the Middle Eocene, in the late Uintan land mammal age.
Text in “About” is quoted from the Wikipedia article Protitanotherium (revision 1364410373), 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: Q3924265.
