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The Oncala Group is a geological formation in Spain. It dates back to the Late Jurassic.
Dinosaurs
Fossil tracks from euornithopods, sauropods, and theropods (including avialans) are known from the formation in Provincia de Soria, Spain. Indeterminate sauropod remains are known from the formation in Provincia de Soria, Spain.
References
Oncala Group Wikipedia(Text) CC BY-SA