Leptalestes fossil map
Where fossils of Leptalestes 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 | 85.7–63.4 million years ago (Santonian to Danian) |
| Periods | Cretaceous, Paleogene |
| Family | Pediomyidae |
| Named by | Davis 2007 |
| Fossil records | 112 occurrences at 40 locations (PBDB) |
| Found in | United States, Canada |
| Rock formations | Hell Creek, Lance, St. Mary River, Judith River, Fox Hills, Scollard |
About Leptalestes
Leptalestes is an extinct genus of mammals in the infraclass Metatheria. It was described by B.M. Davis in 2007. A new species, L. toevsi, was described from the late Cretaceous period of the United States by John P. Hunter, Ronald E. Heinrich, and David B. Weishampel in 2010.
Text in “About” is quoted from the Wikipedia article Leptalestes (revision 1365194429), 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: Q6527881.
