Cynarctoides fossil map
Where fossils of Cynarctoides 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 | 29.5–12.5 million years ago (Rupelian to Serravallian) |
| Periods | Paleogene, Neogene |
| Family | Canidae |
| Named by | McGrew 1938 |
| Fossil records | 148 occurrences at 25 locations (PBDB) |
| Found in | United States |
| Rock formations | Runningwater, Sharps, txn:41189, Zia Sand, Arikaree, Olcott |
About Cynarctoides
Cynarctoides is an extinct genus of the Borophaginae subfamily of canids endemic to North America. It lived from the Early Oligocene to the Middle Miocene, 33.3—13.6 Mya, existing for approximately 19.7 million years. Seven species are currently recognised, all of which are estimated to have weighed no more than 1 kilogram (2.2 lb).
Text in “About” is quoted from the Wikipedia article Cynarctoides (revision 1320189844), 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: Q3699883.
