Brachydiastematherium fossil map
Where fossils of Brachydiastematherium 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 | 48.07–33.9 million years ago (Lutetian to Priabonian) |
| Periods | Paleogene |
| Family | Brontotheriidae |
| Named by | Bockh and Maty 1876 |
| Fossil records | 4 occurrences at 1 locations (PBDB) |
| Found in | Romania |
| Rock formations | Upper Variegated Shale, Valea Nadăşului |
About Brachydiastematherium
Brachydiastematherium (lit. 'short diastema beast') is an extinct genus of horned brontothere that lived in Eastern Europe during the Middle Eocene. It is the westernmost species of brontothere, with the first fossils of it being found in Transylvania, Romania. Only the type species, B. transylvanicum, is known.
Text in “About” is quoted from the Wikipedia article Brachydiastematherium (revision 1364410256), 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: Q2856459.