Masillamys fossil map
Where fossils of Masillamys 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 | 56–41.03 million years ago (Ypresian to Lutetian) |
| Periods | Paleogene |
| Family | Ischyromyidae |
| Named by | Tobien 1954 |
| Fossil records | 2 occurrences at 1 locations (PBDB) |
| Found in | France |
| Rock formations | txn:41390 |
About Masillamys
Masillamys is an extinct genus of rodent. It was named in 1954 by Tobien based on fossils found in the Messel Pit, Germany. It is considered to be a sister genus to the Hartenbergeromys, Lophiparamys, Mattimys, Microparamys, Pantrogna, Sparnacomys, and Strathcona genera.
Text in “About” is quoted from the Wikipedia article Masillamys (revision 1369869248), 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: Q12352384.
