Brachyrhynchocyon fossil map
Where fossils of Brachyrhynchocyon have been found, shown on the Earth as it looked about 30 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 30 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 | 37–31.8 million years ago (Priabonian to Rupelian) |
| Periods | Paleogene |
| Family | Amphicyonidae |
| Named by | Scott and Jepsen 1936 |
| Fossil records | 60 occurrences at 18 locations (PBDB) |
| Found in | United States, Canada |
| Rock formations | Chadron, White River, txn:41266, Renova, Cypress Hills, Cook Ranch |
About Brachyrhynchocyon
Brachyrhynchocyon is an extinct genus of terrestrial carnivore, which belonged to the family Amphicyonidae ("bear dogs") of the suborder Caniformia.
Many coprolites of B. dodgei are known from the Chadronian-aged site of Pipestone Springs Main Pocket in the Renova Formation.
Text in “About” is quoted from the Wikipedia article Brachyrhynchocyon (revision 1368983799), 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: Q16964564.
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