Mixodectes fossil map
Where fossils of Mixodectes 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 | 63.4–57.5 million years ago (Danian to Thanetian) |
| Periods | Paleogene |
| Family | Mixodectidae |
| Named by | Cope 1883 |
| Fossil records | 36 occurrences at 10 locations (PBDB) |
| Found in | United States |
| Rock formations | Nacimiento, txn:40331, Fort Union, Black Peaks |
About Mixodectes
Mixodectes is an extinct genus of mixodectid mammal that lived in North America during the Paleocene epoch.
Text in “About” is quoted from the Wikipedia article Mixodectes (revision 1369381459), 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: Q116786411.