https://scitechdaily.com/sea-monster-surprise-ancient-pliosaur-remains-challenge-what-we-knew/
The fossils of a 170-million-year-old ancient marine reptile from the Age of Dinosaurs have been identified as the oldest-known mega-predatory pliosaur. This group of ocean-dwelling reptiles is closely related to the long-necked plesiosaurs. This significant …
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