Myotis fossil map
Where fossils of Myotis have been found, shown on the Earth as it looked about 0 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 0 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 million years ago to the present (Rupelian to Holocene) |
| Periods | Paleogene, Neogene, Quaternary |
| Named by | Kaup 1829 |
| Fossil records | 576 occurrences at 131 locations (PBDB) |
| Found in | United States, Hungary, Spain, Italy, China, France, Poland, Austria, Greece, Germany … |
| Rock formations | txn:NF, Ash Hollow, Kromdraai, Borgloon, Sheep Creek, Valentine |
About Myotis
The mouse-eared bats or myotises are a diverse and widespread genus (Myotis) of bats within the family Vespertilionidae. The noun "myotis" itself is a Neo-Latin construction, from the Greek "muós (meaning "mouse") and "oûs" (meaning ear), literally translating to "mouse-eared".
Text in “About” is quoted from the Wikipedia article Mouse-eared bat (revision 1352052297), 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: Q223384.