Diceratherium fossil map
Where fossils of Diceratherium 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 | 33.9–5.333 million years ago (Rupelian to Messinian) |
| Periods | Paleogene, Neogene |
| Family | Rhinocerotidae |
| Named by | Marsh 1875 |
| Fossil records | 208 occurrences at 54 locations (PBDB) |
| Found in | United States, Canada, Portugal, China, France, Switzerland |
| Rock formations | txn:43187, Harrison, John Day, Sharps, Brule, Renova |
About Diceratherium
Diceratherium (meaning "two horned beast") is an extinct genus of rhinocerotid native to North America during the Oligocene through Miocene living from 33.9 to 11.6 mya, existing for approximately 22.3 million years. Mass estimates for the type species, D. armatum average around 1 t (2,200 lb)
Text in “About” is quoted from the Wikipedia article Diceratherium (revision 1358228757), 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: Q288245.
