As for body shape, taking the new length estimates into account, the lemon shark appears to be the closest modern analogue. "However, the exact position and shape of practically all the fins ...

The study finds the prehistoric hunter had a much longer body—closer in shape to a lemon shark or even a large whale. The study team, which included researchers from the University of California ...

In a bid to save a species globally, a world-first method of extracting semen from male leopard sharks in the wild has been ...