Tribosphenomys fossil map
Where fossils of Tribosphenomys have been found, shown on the Earth as it looked about 56 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 56 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 | 59.24–56 million years ago (Thanetian) |
| Periods | Paleogene |
| Family | Alagomyidae |
| Named by | Meng et al. 1994 |
| Fossil records | 10 occurrences at 4 locations (PBDB) |
| Found in | China, Mongolia |
| Rock formations | Nomogen, Naran Bulak, txn:41386 |
About Tribosphenomys
Tribosphenomys is an extinct genus of alagomyid rodent that lived during Late Paleocene of Northern China and Mongolia.
Text in “About” is quoted from the Wikipedia article Tribosphenomys (revision 1369356387), 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: Q25095817.
