It wasn’t a shark, or a whale, or a leopard seal, the team concluded. This piece of a jaw still had one tooth in it. The bones and teeth were not from a shark or whale, experts said. Schmidt ...

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 ...

A fossil enthusiast recently discovered a fossilized tooth dating back 270 million years from a petalodont (petal-toothed) shark in the mountains of Qujing, Southwest China's Yunnan Province.