Stegosiren fossil map
Where fossils of Stegosiren 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 | 33.9–27.3 million years ago (Rupelian) |
| Periods | Paleogene |
| Family | Dugongidae |
| Named by | Domning and Beatty 2019 |
| Fossil records | 2 occurrences at 1 locations (PBDB) |
| Found in | United States |
| Rock formations | Ashley |
About Stegosiren
Stegosiren was an early sea cow from the Middle Oligocene of South Carolina, US. It shows a stage of halitheriine evolution more derived than that of the Old World early Oligocene Eosiren imenti and Halitherium schinzii.
Text in “About” is quoted from the Wikipedia article Stegosiren (revision 1336884892), 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: Q106899848.
