Wading in knee-deep waters, that's exactly what she found: a tooth belonging to the now-extinct Otodus megalodon shark species. A local marine museum's curator called it a "once-in-a-lifetime kind ...

Shark teeth' – officially known as persistent deciduous teeth (PDT) – is a disorder where two sets of gnashers come out of a ...

taking baby sharks for the aquarium pet trade and the intentional killing or mutilation of sharks for their teeth, jaws or other parts. The bill does not criminalize the accidental capture and ...