More 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 ...

"I bent down to take a closer look, and to my shock, I realized it was a shark tooth," Phillipe said. "At first, my neighbor thought I was pulling a prank on him, but there it was in my hand—no ...

A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient shark that stalked the ocean floor 340 million years ago. Rendering courtesy of the National Park Service A shark ...

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 ...

Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about a mysterious group of extinct predators.