MAP OF THE WORLD Late Cretaceous period The archelon was a giant sea turtle It was the biggest turtle that has ever lived It lived about 75 million years ago This was in the Late Cretaceous period of the Mesozoic era
The archelon could grow up to 16 feet 4.9 meters long It weighed over 4,500 pounds 2,041 kilograms shell flippers
The archelon swam with long flippers Its thin shell helped it float in water SIZE COMPARISON about as long as a car