The oceans of the Jurassic world were filled with nightmarish creatures. Plesiosaurs, long-necked reptiles measuring up to twenty-five feet long, ate fish -- and each other. The 40-foot-long Kronosaurus and the 45-foot-long Liopleurodon were ferocious predators with razor-sharp teeth. They ate anything they could catch. Alongside these megapredators swam Hybodus, whose descendants include the great white sharks of today. Hybodus was not the largest...
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9 - 12 Years Animals Children's Children's Books Dinosaurs Fish History Marine Life Prehistoric