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Keywords from Image Description:
Hell Creek and Lance formations. en Exposures of the Upper Cretaceous Hell Creek and Lance formations in western North America Scale bar km Lamanna MC Sues HD Schachner ER Lyson TR New LargeBodied Oviraptorosaurian Theropod Dinosaur from the Latest Cretaceous of Western North America PLoS ONE doi pone Lamanna MC Sues HD Schachner