An illustrated reconstruction of the large Cretaceous Period sea turtle Leviathanochelys aenigmatica, which lived about 83 million years ago
(Picture: Museu de la Conca via REUTERS)Fossils of a 12-foot turtle that have been found in north eastern Spain are thought to date back some 83 million years.
The Leviathanochelys aenigmatica is said to have been one of the largest sea turtles to have ever lived, scientists have said.
