Periptychus fossil map
Where fossils of Periptychus have been found, shown on the Earth as it looked about 66 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 66 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 | 66–57.5 million years ago (Danian to Thanetian) |
| Periods | Paleogene |
| Family | Periptychidae |
| Named by | Cope 1881 |
| Fossil records | 206 occurrences at 25 locations (PBDB) |
| Found in | United States |
| Rock formations | Denver, Nacimiento, North Horn, txn:42266, Black Peaks, Ferris |
About Periptychus
Periptychus is an extinct genus of mammal belonging to the family Periptychidae. It lived from the Early to Late Paleocene and its fossil remains have been found in North America.
Text in “About” is quoted from the Wikipedia article Periptychus (revision 1372143656), 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: Q60978042.
