About 95 million years ago, a river turtle adapted to marine environments and made an extraordinary migration from the ancient continent of Gondwana, which grouped what is now Africa and South America, to Laurasia, of which the Northern continental mass of which Europe, Asia and North America were part. Species remains, found in the town of Algora in Guadalajara (Spain) and in Portugal, are evidence of the first known dispersal event of a turtle from Gondwana.