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 / 8.5; -77.7
Approximate paleocoordinates	8.2°N 76.3°W / 8.2; -76.3
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