Protomarctus fossil map
Where fossils of Protomarctus have been found, shown on the Earth as it looked about 15 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 15 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 | 20.45–12.5 million years ago (Burdigalian to Serravallian) |
| Periods | Neogene |
| Family | Canidae |
| Named by | Wang et al. 1999 |
| Fossil records | 54 occurrences at 12 locations (PBDB) |
| Found in | United States |
| Rock formations | Sheep Creek, txn:41189, Arikaree, Runningwater, Zia Sand, Box Butte |
About Protomarctus
Protomarctus is an extinct monospecific genus of borophagine canid native to North America. It lived during the Middle Miocene 16.0—13.6 Mya, existing for approximately 2.4 million years.
Text in “About” is quoted from the Wikipedia article Protomarctus (revision 1377162557), 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: Q7252035.
