Miminiacetus fossil map
Where fossils of Miminiacetus 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 | 23.04–11.63 million years ago (Aquitanian to Serravallian) |
| Periods | Neogene |
| Named by | Godfrey and Lambert 2023 |
| Fossil records | 12 occurrences at 6 locations (PBDB) |
| Found in | United States, Peru |
| Rock formations | Calvert, Pungo River, Pisco |
About Miminiacetus
Miminiacetus ("Inia mimic") is an extinct genus of dolphin belonging to the clade Delphinida that is known from late Miocene (Tortonian) marine deposits in the eastern US and Peru. Although usually placed in Kentriodontidae, recent studies have found it only distantly related to Kentriodon.
Text in “About” is quoted from the Wikipedia article Miminiacetus (revision 1367894810), 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: Q140878811.
