The Paja Formation is an Early Cretaceous geologic formation of central Colombia. The formation extends across the northern part of the Altiplano Cundiboyacense, the Western Colombian emerald belt and
Desmatochelys padillai from the Paja Formation
Stratigraphic column of the Paja Formation with Sachicasaurus site indicated
Paleogeography of northern South America during the Barremian and early Aptian
Leyvachelys is an extinct genus of turtles in the family Sandownidae from the Early Cretaceous of the present-day Altiplano Cundiboyacense, Eastern Ranges, Colombian Andes. The genus is known only fro
Leyvachelys cipadi Paja Formation, Colombia
Plesiosaur and ammonites in the Centro de Investigaciones Paleontológicas (CIP), Villa de Leyva
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