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.

Fossil content
Among others, the following fossils have been reported from the formation:
 * Monoplex panamensis
 * Umbrina opima
 * Ogilbichthys dariensis