Goniacodon fossil map
Where fossils of Goniacodon 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 | Triisodontidae |
| Named by | Scott 1892 |
| Fossil records | 34 occurrences at 10 locations (PBDB) |
| Found in | United States, Canada |
| Rock formations | Nacimiento, North Horn, Melville, Fort Union, txn:156887, Porcupine Hills |
About Goniacodon
Goniacodon is an extinct genus of triisodontid mammal from the Paleocene of North America.
Text in “About” is quoted from the Wikipedia article Goniacodon (revision 1374529892), 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: Q4703586.
