turtle shell evolution tagged posts

Artistic rendering of the early proto turtle Eunotosaurus (foreground) burrowing into the banks of a dried up pond to escape the harsh arid environment present 260 million years ago in South Africa. Meanwhile, a herd of Bradysaurus (background) congregates around the remaining muddy water. Credit: Andrey Atuchin

A new study by an international group of paleontologists suggests that the broad ribbed proto shell on the earliest partially shelled fossil turtles was initially an adaptation, for burrowing underground, not for protection. “Why the turtle shell evolved is a very Dr. Seuss-like question and the answer seems pretty obvious – it was for protection,” said Dr. Lyson...