| Isthminia | |
|---|---|
| |
| Holotype skull (digital model) in right lateral view | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Infraorder: | Cetacea |
| Superfamily: | Inioidea |
| Family: | Iniidae |
| Genus: | †Isthminia Pyenson et al., 2015 |
| Type species | |
| †Isthminia panamensis Pyenson et al., 2015
| |
Isthminia (named after the Republic of Panama and its people) is a genus of medium-sized river dolphin cetaceans that lived during the Late Miocene epoch in what is now the coasts of Panama, about 6.1 million to 5.8 million years ago. The type species is I. panamensis, known from the littoral Chagres Formation.[1]