Extinction status Extinct
Higher classification Dugongidae
|Scientific name Hydrodamalinae|
|Similar Manatee, Dugongidae, mammal, Sirenians, Metaxytherium|
Hydrodamalinae is a recently extinct subfamily of the sirenian family Dugongidae. The Steller's sea cow (Hydrodamalis gigas) was hunted to extinction by 1760, while the genus Dusisiren is known from fossils dating from the middle Miocene to early Pliocene.