Researchers in New Zealand found that a small species of shark makes noises with their teeth when touched by humans — and now ...

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

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

Some paleontologists have used teeth or the vertebral columns of great ... the megalodons may have resembled a giant version of a lemon shark (one shown in the Bahamas). Photograph by David ...

Shark biologists now say a lemon shark, like this one ... the prehistoric predator is known not just for its size but for its distinctive serrated teeth. Because the much smaller modern-day great ...

Lemon Shark, Negaprion brevirostris ... study also revisited an analysis of fossilized placoid scales, or tiny tooth-like scales that cover sharks, from the megalodon. What they found was that ...

The study finds the prehistoric hunter had a much longer body—closer in shape to a lemon ... the shark's total body length, moving beyond traditional methods that rely primarily on tooth size.

Along with teeth, the existing fossil record includes ... tanklike great white but rather a more streamlined fish, such as a lemon shark. In this discovery, Shimada said, his team also stumbled ...