Isthminia

Isthminia; Temporal range: Late Miocene (Hemphillian); 7.246–5.332 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
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

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]

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[]

^ ^a ^b 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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[PJIsthminia-1] 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.

[FWIsthminia-2] Isthminia at Fossilworks.org

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[2]