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.
| Satherium ↓ | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Carnivora |
| Family: | Mustelidae |
| Subfamily: | Lutrinae |
| Genus: | †Satherium Gazin, 1934[2] |
| Type species | |
| †Satherium piscinarium (Leidy, 1873) | |
| Other Species | |
|
Satherium ingens Gazin, 1934 | |
S. piscinarium was originally classified as a species of Lutra. The giant otterofSouth America is considered the closest living relative of this genus.[3]