A six-year-old boy has found a shark tooth belonging to a giant prehistoric megalodon that could be up to 20 million years old. Sammy Shelton found the 10cm-long (4in) tooth on Bawdsey beach in ...

Most children have a full set of 20 milk or baby teeth by the time ... great whites can produce around 100,000 teeth throughout their lifetime. Some species of sharks produce a new set of teeth ...

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 ...