Tuira Formation

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]

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	8.5°N 77.7°W
Approximate paleocoordinates	8.2°N 76.3°W
Region	Darién Province
Country	Panama
Type section
Named for	Tuira River
Tuira Formation (Panama)

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.; Werner Schwarzhans, and Philippe Béarez. 2016. Otoliths of the Sciaenidae from the Neogene of tropical America. Palaeo Ichthyologica 14. 7–90. Accessed 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. Accessed 2019-02-09.
• Schwarzhans, Werner, and Órangel Aguilera. 2016. Otoliths of the Ophidiiformes from the Neogene of tropical America. Palaeo Ichthyologica 14. 91–124. Accessed 2019-02-09.