Dusisiren fossil map
Where fossils of Dusisiren 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 | 15.98–3.6 million years ago (Langhian to Zanclean) |
| Periods | Neogene |
| Family | Dugongidae |
| Named by | Domning 1978 |
| Fossil records | 54 occurrences at 22 locations (PBDB) |
| Found in | United States, Japan, Mexico |
| Rock formations | Monterey, Santa Margarita, Ysidro, Pismo, Drakes Bay, Purisima |
About Dusisiren
Dusisiren is an extinct genus of dugong related to the Steller's sea cow that lived in the North Pacific during the Neogene.
Text in “About” is quoted from the Wikipedia article Dusisiren (revision 1363442230), 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: Q3716537.
