How Did Turtles Get Their Shells? Oldest Known Turtle Fossil, 220 Million Years Old, Give Clues

Since the age of dinosaurs, turtles have looked pretty much as they do now with their shells intact, and scientists lacked conclusive evidence to support competing evolutionary theories. Now with the discovery in China of the oldest known turtle fossil, estimated at 220 million years old, scientists have a clearer picture of how the turtle got its shell.

Read the whole article on Science Daily

More from Science Daily