Cynthiacetus fossil map
Where fossils of Cynthiacetus 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 | 41.03–33.9 million years ago (Bartonian to Priabonian) |
| Periods | Paleogene |
| Family | Basilosauridae |
| Named by | Uhen 2005 |
| Fossil records | 22 occurrences at 11 locations (PBDB) |
| Found in | United States, Peru |
| Rock formations | Yazoo, Ocala, Crystal River, txn:42936, Clinchfield, Castle Hayne |
About Cynthiacetus
Cynthiacetus is an extinct genus of basilosaurid early whale that lived during the Late Eocene (Bartonian-Priabonian, 40.4 to 33.9 million years ago.) Specimens have been found in the southeastern United States and Peru (Otuma Formation).
Text in “About” is quoted from the Wikipedia article Cynthiacetus (revision 1361886132), 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: Q1064353.
