Isthminia
Isthminia is an extinct genus of river dolphin-like cetacean from the Late Miocene epoch (Hemphillian in the NALMA classification) that lived in Panama. The type species is I. panamensis.[1][2]
| Isthminia | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Infraorder: | Cetacea |
| Family: | Iniidae |
| Genus: | †Isthminia Pyenson et al., 2015 |
| Species: | †I. panamensis |
| Binomial name | |
| †Isthminia panamensis Pyenson et al., 2015 | |
Description
Fossils of Isthminia were found in the Chagres Formation in Panama. On the basis of the fossil material, including a partial skull, the length of this kind is estimated to be about 285 centimetres (9.35 ft). Isthminia probably had a predominantly marine lifestyle.[1]
References
- Pyenson, Nicholas D.; Vélez-Juarbe, Jorge; Gutstein, Carolina S.; Little, Holly; Vigil, Dioselina; O'Dea, Aaron (2015). "Isthminia panamensis, a new fossil inioid (Mammalia, Cetacea) from the Chagres Formation of Panama and the evolution of 'river dolphins' in the Americas". PeerJ. 3: e1227. doi:10.7717/peerj.1227. PMC 4562255. PMID 26355720.
- Isthminia at Fossilworks.org
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