A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk ...

there’s something about Megalodon that grips the imagination like no other. Fossilized shark teeth are some of the most abundant remnants of prehistoric oceans, providing scientists with crucial ...

flexible tissue is their teeth. The group includes the more famous animals such as whale sharks and great whites, but also all rays, skates and the little-known chimaeras – also known as ratfish, ...

Yet back then, any one of these creatures could become prey to the ocean's fiercest apex predator: the megalodon, a giant shark with massive teeth and a body the size of a whale. In many ways ...

Along with teeth, the existing fossil record includes parts of giant shark skeletons from the same period, including a 36-foot-long (11-meter-long) section of a fossilized spinal column from ...

Other notable features of the shark include the very teeth it was identified by. According to researchers, the shark had front teeth that were chisel-like, while their back teeth had flat crowns ...

"Ghost sharks like this one are largely confined to ... such as shrimp and molluscs with their distinctive beak-like teeth. They are rarely found and sightings of their young ones are even rarer ...

"Ghost sharks" belong to the Chimaeridae family ... with their bodies cloaked in scales resembling teeth. Many possess long, ...