Keasius fossil map
Where fossils of Keasius 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 | Ancient fish & sharks |
|---|---|
| Lived | 41.03–11.63 million years ago (Bartonian to Serravallian) |
| Periods | Paleogene, Neogene |
| Family | Cetorhinidae |
| Named by | Welton 2013 |
| Fossil records | 103 occurrences at 70 locations (PBDB) |
| Found in | Germany, Belgium, France, United States, Czech Republic, Netherlands, Poland, Romania, Austria, Antarctica … |
| Rock formations | Boom Clay, txn:83165, Breda, Berchem, Alzey, Menilite |
About Keasius
Keasius is an extinct genus of basking sharks that lived during the Cenozoic. It contains four valid species, which have been found in North America, Europe, and Antarctica.
Text in “About” is quoted from the Wikipedia article Keasius (revision 1365734146), 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: Q22108865.
