Umbogaulus fossil map
Where fossils of Umbogaulus 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 | 16.3–12.5 million years ago (Burdigalian to Serravallian) |
| Periods | Neogene |
| Family | Mylagaulidae |
| Named by | Korth 2000 |
| Fossil records | 4 occurrences at 2 locations (PBDB) |
| Found in | United States |
| Rock formations | txn:41468 |
About Umbogaulus
Umbogaulus is a genus of mylagaulid rodent from Miocene North America.
Text in “About” is quoted from the Wikipedia article Umbogaulus (revision 1364900440), 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: Q17280784.