The Rayoso Formation is a geological formation in the Neuquén Province of Argentina whose strata date back to the Aptian stage of the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.
Vertebrate paleofauna
Indeterminate Ceratosauria remains located in Provincia de Neuquén, Argentina.
References
Rayoso Formation Wikipedia(Text) CC BY-SA