Spinosaurus fossil tail suggests dinosaurs were swimmers after all
The predator’s tail was paddlelike, with a range of motion that allowed swinging side to side
Spinosaurus, whose tail is shown here in an artist’s illustration, was well-adapted for an aquatic life, a new study suggests. Along with its long, narrow jaws and conical teeth, the dinosaur had a unique, paddlelike tail.
Davide Bonadonna