Macrosqualodelphis fossil map
Where fossils of Macrosqualodelphis 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 | 20.45–15.98 million years ago (Burdigalian) |
| Periods | Neogene |
| Family | Squalodelphinidae |
| Named by | Bianucci et al. 2018 |
| Fossil records | 2 occurrences at 1 locations (PBDB) |
| Found in | Peru |
| Rock formations | Chilcatay |
About Macrosqualodelphis
Macrosqualodelphis is an extinct genus of river dolphins from the Early Miocene (Burdigalian) Chilcatay Formation of the Pisco Basin, Peru. The type species is M. ukupachai.
Text in “About” is quoted from the Wikipedia article Macrosqualodelphis (revision 1238731644), 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: Q56277676.
