Cerro Castillo Formation

The Cerro Castillo Formation is a Jurassic geologic formation in Argentina. Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.

Paleofauna

 * Megalosaurus chubutensis - "Tooth." (nomen dubium)
 * M. inexpectatus - "Tooth." - (tetan indet)