Atokatheridium fossil map
Where fossils of Atokatheridium have been found, shown on the Earth as it looked about 115 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 115 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 | 121.4–100.5 million years ago (Aptian to Albian) |
| Periods | Cretaceous |
| Family | Deltatheridiidae |
| Named by | Kielan-Jaworowska and Cifelli 2001 |
| Fossil records | 4 occurrences at 2 locations (PBDB) |
| Found in | United States |
| Rock formations | Antlers, Cloverly |
About Atokatheridium
Atokatheridium is an extinct genus of Deltatheridiidae from the Cretaceous of United States.
Text in “About” is quoted from the Wikipedia article Atokatheridium (revision 1344734957), 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: Q4817175.
