Urkudelphis fossil map
Where fossils of Urkudelphis have been found, shown on the Earth as it looked about 30 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 30 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 | 27.3–23.04 million years ago (Chattian) |
| Periods | Paleogene |
| Named by | Tanaka et al. 2017 |
| Fossil records | 2 occurrences at 1 locations (PBDB) |
| Found in | Ecuador |
| Rock formations | Dos Bocas |
About Urkudelphis
Urkudelphis is an extinct genus of cetacean endemic to Ecuador, a tropical dolphin small in size. The type species, Urkudelphis chawpipacha, was described in 2017 based in a single skull of a juvenile and auditory bones in the Dos Bocas Formation of Ecuador. It was an ancestor of river dolphins It is also one of the only dolphin fossils in tropical waters.
Text in “About” is quoted from the Wikipedia article Urkudelphis (revision 1317620259), 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: Q48812913.
