Ever wonder why sharks have so many differently shaped teeth or why they keep regrowing throughout their lives? Dr. David ...

But shark teeth come in many shapes and sizes. They can tell us how these fish live and evolved. All sharks have teeth, but what may surprise you is that they don’t all have sharp, triangular teeth.

Rendering courtesy of the National Park Service A shark no larger than a human ... nail tooth,” gets its name from the shape of its back teeth, which resemble old iron nails, and retired ...

The giant extinct shark species known as the megalodon has captured the interest of scientists and the general public alike, ...

it is primarily known only from its serrated teeth, vertebrae ... of megalodon’s body size and shape. “Rather than resembling an oversized great white shark, it was actually more like an ...

But in these filter feeders, the teeth are tiny and not used in feeding. Shark teeth vary in size and shape according to what they eat. Some have “crushing plates” that crush their shellfish ...

Cicimurri said that the team employed this method, because shark teeth have different shapes depending on their location in the shark’s mouth. “By studying the jaws and teeth of living sharks, it ...

The first-ever sounds of sharks have been captured by researchers, according to a new study in the journal Royal Society Open ...

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 ... the true size and shape of this extinct ...