Satherium fossil map
Where fossils of Satherium 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 | 5.333–0.21 million years ago (Zanclean to Chibanian) |
| Periods | Neogene, Quaternary |
| Family | Mustelidae |
| Named by | Gazin 1934 |
| Fossil records | 90 occurrences at 10 locations (PBDB) |
| Found in | United States |
| Rock formations | Glenns Ferry, txn:41086, Rexroad, Ringold, Caloosahatchee |
About Satherium
Satherium is an extinct genus of otters that lived in North America during the Pliocene and Pleistocene. Two species are known, Satherium piscinarium and Satherium ingens.
S. piscinarium was originally classified as a species of Lutra. The giant otter of South America is considered the closest living relative of this genus.
Text in “About” is quoted from the Wikipedia article Satherium (revision 1258137722), 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: Q19758218.
