Plesiosaur art (IMAGE) University of Texas at Austin Caption An artist’s interpretation of a Jurassic plesiosaur. Fossils from a plesiosaur discovered in West Texas are the only fossils from a Jurassic vertebrate found and described in the state. The University of Texas at Austin led the research. Credit: dibgd/Wikimedia commons. Credit Wikimedia Usage Restrictions No restrictions. License CC0 Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.