Stenasodelphis

Stenasodelphis; Temporal range: Tortonian 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:	Pontoporiidae
Genus:	†Stenasodelphis; Godfrey & Barnes, 2008
Species:	†S. russellae
Binomial name
	†Stenasodelphis russellae; Godfrey & Barnes, 2008

Stenasodelphis is an extinct genus of pontoporiid dolphin from the mid-late Miocene epoch. Its name roughly translates to "the narrow-nosed dolphin." The genus is currently monotypic, containing only the species S. russellae. The specific epithet honors Mrs. Jean Hopper (nee Russell), who discovered the holotype. It was found in material derived from zone 22-23 of St. Marys Formation, which dates to the early Tortonian.[1]

References

Godfrey, Stephen J.; Barnes, Lawrence G. (2008-06-12). "A new genus and species of late Miocene pontoporiid dolphin (Cetacea: Odontoceti) from the St. Marys Formation in Maryland". Journal of Vertebrate Paleontology. 28 (2): 520–528. doi:10.1671/0272-4634(2008)28[520:ANGASO]2.0.CO;2. ISSN 0272-4634.

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[1] Godfrey, Stephen J.; Barnes, Lawrence G. (2008-06-12). "A new genus and species of late Miocene pontoporiid dolphin (Cetacea: Odontoceti) from the St. Marys Formation in Maryland". Journal of Vertebrate Paleontology. 28 (2): 520–528. doi:10.1671/0272-4634(2008)28[520:ANGASO]2.0.CO;2. ISSN 0272-4634.