. . "The El Collado Formation is a geological formation in Cuenca, Spain whose strata date back to the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation."@en . "El Collado Formation"@en . . . "El Collado Formation"@en . . . . . . "The El Collado Formation is a geological formation in Cuenca, Spain whose strata date back to the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation."@en . .