Lomacetus fossil map
Where fossils of Lomacetus have been found, shown on the Earth as it looked about 5 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 5 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 | 11.63–7.246 million years ago (Tortonian) |
| Periods | Neogene |
| Family | Phocoenidae |
| Named by | Muizon 1986 |
| Fossil records | 4 occurrences at 2 locations (PBDB) |
| Found in | Peru |
| Rock formations | Pisco |
About Lomacetus
Lomacetus is an extinct genus of porpoise belonging to the family Phocoenidae. It is a significant find in the fossil record because it is the first known fossil of the subfamily Phocoeninae, which includes all living porpoises.
Text in “About” is quoted from the Wikipedia article Lomacetus (revision 1312964800), 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: Q123015392.
