Colbertia fossil map
Where fossils of Colbertia have been found, shown on the Earth as it looked about 45 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 45 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 | 56–33.9 million years ago (Ypresian to Priabonian) |
| Periods | Paleogene |
| Family | Oldfieldthomasiidae |
| Named by | Paula Couto 1952 |
| Fossil records | 14 occurrences at 5 locations (PBDB) |
| Found in | Argentina, Brazil |
| Rock formations | Quebrada de los Colorados, Geste, Lumbrera, Itaboraí, Las Flores |
About Colbertia
Colbertia is an extinct genus of oldfieldthomasiid notoungulate. It lived from the Early to the Middle Eocene, and its fossilized remains were discovered in Argentina and Brazil.
Text in “About” is quoted from the Wikipedia article Colbertia (revision 1326987952), 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: Q16550186.
