Aatotomus fossil map
Where fossils of Aatotomus 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 | 60.9–57.5 million years ago (Selandian to Thanetian) |
| Periods | Paleogene |
| Family | Pantolestidae |
| Named by | Rankin 2014 |
| Fossil records | 4 occurrences at 1 locations (PBDB) |
| Found in | Canada |
| Rock formations | Ravenscrag |
About Aatotomus
Aatotomus is an extinct genus of placental mammals from family Pantolestidae, that lived during the late Paleocene. It is known from fossils found in the Ravenscrag Formation of Saskatchewan province (Canada), being a member of the Roche Percée local fauna.
Text in “About” is quoted from the Wikipedia article Aatotomus (revision 1352143194), 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: Q134890735.
