Sea monsters at the time of the dinosaurs

Over 60 million years ago, superpredators such as ichthyosaurs, plesiosaurs and mosasaurs roamed the seas. But what exactly were these reptiles, which are often incorrectly referred to as “marine dinosaurs”? CNRS News asked three of the authors of “La Mer au Temps des Dinosaures” (“The Oceans at the Time of the Dinosaurs”) to tell us more about these “sea monsters”.

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