Vilquechico Formation

The Vilquechico Formation is a Late Campanian to Late Maastrichtian geologic formation in southern Peru. Fossil ornithopod tracks have been reported from the formation. The formation overlies the Ayabacas Formation and is overlain by the Auzangate Formation.

Paleofauna
In the formation, tracks of the following species have been found:
 * Ornithomimipus jaillardi
 * Hadrosaurichnus titicacaensis