Eutreptornis fossil map
Where fossils of Eutreptornis 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 | Prehistoric birds |
|---|---|
| Lived | 45.9–39.7 million years ago (Lutetian to Bartonian) |
| Periods | Paleogene |
| Family | Bathornithidae |
| Named by | Cracraft 1971 |
| Fossil records | 1 occurrences at 1 locations (PBDB) |
| Found in | United States |
| Rock formations | Uinta |
About Eutreptornis
Eutreptornis ("changing bird")is a genus of extinct possible cariamiforme bird from the Late Eocene of Utah. It is traditionally considered to be a bathornithid, though a combination of the relative incompleteness of the material alongside some differences from other bathornithids have raised some suspicions about this affiliation.
Text in “About” is quoted from the Wikipedia article Eutreptornis (revision 1165386680), 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: Q25095786.