Presbyornis fossil map
Where fossils of Presbyornis have been found, shown on the Earth as it looked about 56 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 56 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 | 60.9–33.9 million years ago (Selandian to Priabonian) |
| Periods | Paleogene |
| Family | Presbyornithidae |
| Named by | Wetmore 1926 |
| Fossil records | 9 occurrences at 9 locations (PBDB) |
| Found in | United States, Mongolia, Canada |
| Rock formations | Naran Bulak, Bridger, Colton, Wasatch, Aquia, Green River |
About Presbyornis
Presbyornis is an extinct genus of presbyornithid bird from North America during the Paleogene period, between the Late Paleocene and Early Eocene.
Text in “About” is quoted from the Wikipedia article Presbyornis (revision 1369643110), 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: Q134586.
