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A new scaphognathine pterosaur from the Upper Jurassic Morrison Formation of Wyoming, USA
Abstract A partial rostrum of a new species of scaphognathine pterosaur, distinguished by a thin median crest along its dorsal margin and a deep embayment of the dental margin, is the firstExpand
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Skull of a Jurassic ankylosaur (Dinosauria)
The origin and early evolution of many major dinosaur groups are poorly known because specimens are rare. One of these groups, the Ankylosauria, or armour-plated dinosaurs, is best known fromExpand
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