List of fossiliferous stratigraphic units in Colombia
Several stratigraphic units in Colombia have provided fossils. The richest formations are the Devonian Cuche and Floresta Formations, the Cretaceous Paja Formation, the Paleocene Cerrejón Formation and the Miocene La Venta site.
Source: Wikipedia — List of fossiliferous stratigraphic units in Colombia (CC BY-SA 4.0)