The Rayoso Formation is a geological formation in the Neuquén Province of Argentina whose strata date back to the Aptian-Albian stages of the Early Cretaceous. Dinosaur remains are among the fossils that have been recovered from the formation.

Description

The formation has a maximum thickness of and has one member, the Pichi Neuquén Member. The unit comprises sandstones deposited in a lacustrine environment.

Fossil content

Indeterminate ceratosaurian remains located in Neuquén Province, Argentina.

See also

• List of dinosaur-bearing rock formations

References

Bibliography

Further reading

• J. F. Bonaparte. 1996. Cretaceous tetrapods of Argentina. Münchner Geowissenschaften Abhandlungen 30:73-130

• L. Salgado, J. I. Canudo, A. C. Garrido and J. L. Carballido. 2012. Evidence of gregariousness in rebbachisaurids (Dinosauria, Sauropoda, Diplodocoidea) from the Early Cretaceous of Neuquén (Rayoso Formation), Patagonia, Argentina. Journal of Vertebrate Paleontology 32(3):603-613