The turtle’s shell provides it with a formidable defence and one that is unique in the animal world. No other animal has a structure quite like it, and the bizarre nature of the turtle’s anatomy also ...
Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think.
The discovery, in China, of the oldest known turtle fossil has turned palaeontologists' understanding of the species' origin and ecology on its head. The fossil of Odontochelys semitestacea was found ...