Megalodon may have been up to 80 feet long, but the colossal extinct shark was also probably thinner than scientists ...

It was identified from a collection of small fossilized teeth found within the Ste. Genevieve Formation, a layer of limestone ...

No list of prehistoric sharks is complete without including the megalodon. Thought to be the largest fish and shark to ever live, megalodons were huge prehistoric sharks that were apex predators ...

Evidence suggests Cretoxyrhina fed on mosasaurs, plesiosaurs, and even the giant bony fish Xiphactinus, a fierce predator itself. Sharks are made of cartilage, which does not fossilize well.

"If you stay in a skinnier body, there is a better chance of being able to grow larger," Shimada said. This principle applies ...

Everyone's favorite prehistoric shark may have been much sleeker and much larger than previously thought. A new study suggests that the megalodon wasn't as stocky as the great white shark ...

The cartilaginous fish, so-called because cartilage formed their skeletons, later gave rise to sharks and rays. They had small, rough scales, fixed fins, and sharp, replaceable teeth. The second ...

Megalodon may be the most well-known prehistoric shark ... stingrays, large fish and even other sharks.

Unlike in “The Meg,” the prehistoric megalodon never coexisted ... tanklike great white but rather a more streamlined fish, such as a lemon shark. In this discovery, Shimada said, his team ...

Megalodon fossil record: Plenty of teeth but not much else Unlike in “The Meg,” the prehistoric megalodon ... rather a more streamlined fish, such as a lemon shark. In this discovery, Shimada ...