Tsaganomys fossil map
Where fossils of Tsaganomys 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 | 33.9–15.98 million years ago (Rupelian to Burdigalian) |
| Periods | Paleogene, Neogene |
| Family | Bathyergidae |
| Named by | Matthew and Granger 1923 |
| Fossil records | 118 occurrences at 25 locations (PBDB) |
| Found in | Mongolia, China, Kazakhstan |
| Rock formations | Hsanda Gol, txn:41999, Xianshuihe, Ulantatal, Qingshuiying, Loh |
About Tsaganomys
Tsaganomys altaicus is an extinct species of rodent from Asia, and the only species in the genus Tsaganomys.
Junior synonyms and likely junior synonyms:
Cyclomylus lohensis
Cyclomylus minutus
Sepulkomys eboretus
Beatomus bisus
Pseudotsaganomys mongolicus
Pseudotsaganomys turgaicus
Text in “About” is quoted from the Wikipedia article Tsaganomys (revision 1294910740), 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: Q16963756.
