Instead, the small round shapes bearing a leaflike pattern were once the shells of baby turtles that lived during the time of dinosaurs. Scientists have nicknamed the turtle species “Turtwig ...

of “normal perfect turtle shell to pancake.” All of the shells showed certain consistent patterns at various levels of compression. First, the shells cracked above the hip. Then, along the ...

The exoskeletons of snails and clams, or their shells in common parlance, differ from the endoskeletons of turtles in several ... calcium carbonate with only a small quantity of protein--no ...

Scientists mark turtles by filing a series of tiny V-shaped notches along the edges of their shells. Each turtle is notched in a unique pattern, allowing researchers to identify individual turtles and ...