Crenatosiren fossil map
Where fossils of Crenatosiren 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 | 33.9–23.04 million years ago (Rupelian to Chattian) |
| Periods | Paleogene |
| Family | Dugongidae |
| Named by | Domning 1991 |
| Fossil records | 22 occurrences at 10 locations (PBDB) |
| Found in | United States |
| Rock formations | Chandler Bridge, Ashley, Parachucla, Belgrade |
About Crenatosiren
Crenatosiren is an extinct genus of dugongid sirenian known from the late Oligocene (Chattian) of Florida, North Carolina, and South Carolina. The type and only known species is Crenatosiren olseni.
Text in “About” is quoted from the Wikipedia article Crenatosiren (revision 1293396020), 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: Q12899491.
