Tuira Formation

Tuira Formation
Stratigraphic range: Tortonian (Clarendonian-Hemphillian) 11–9.5  Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Formation
Location
Coordinates	8°30′N77°42′W / 8.5°N 77.7°W / 8.5; -77.7
Approximate paleocoordinates	8°12′N76°18′W / 8.2°N 76.3°W / 8.2; -76.3
Region	Darién Province
Country	Panama
Type section
Named for	Tuira River
Tuira Formation (Panama)

The Tuira Formation is a geologic formation in Panama. It preserves bivalve, gastropod and sponge fossils dating back to the Tortonian period (Clarendonian to Hemphillian in the NALMA classification), from 11 to 9.5 Ma. ^{[1] [2]}

Fossil content

Among others, the following fossils have been reported from the formation: ^[2]

• Monoplex panamensis ^[3]
• Umbrina opima ^[4]
• Ogilbichthys dariensis ^[5]

See also

• List of fossiliferous stratigraphic units in Panama

References

1. Aguilera et al., 2017, p.5
2. Tuira Formation at Fossilworks.org
3. Beu, 2010, p.156
4. Aguilera et al., 2016
5. Schwarzhans & Aguilera, 2016

Bibliography

• Aguilera, Órangel A.; Schwarzhans, Werner; Béarez, Philippe (2016), "Otoliths of the Sciaenidae from the Neogene of tropical America", Palaeo Ichthyologica , 14: 7–90, retrieved 2019-02-09
• Beu, A.G (2010), "Neogene Tonnoidean Gastropods of Tropical and South America; contributions to the Dominican Republic and Panama Paleontology Projects and Uplift of the Central American Isthmus", Bulletins of American Paleontology , 377–378: 1–550, retrieved 2019-02-09
• Schwarzhans, Werner; Aguilera, Órangel (2016), "Otoliths of the Ophidiiformes from the Neogene of tropical America", Palaeo Ichthyologica , 14: 91–124, retrieved 2019-02-09