Hybodus lived about 303.4 million to 66 million years ago and is possibly one of the longest-living prehistoric sharks of all time. It’s definitely the longest-living one on this list!

8. Cretoxyrhina These sharks lived all around the world until about 80 million years ago. They competed with pliosaurs and mosasaurs for food, as they all ate large prey. One of these prey, a 20 ...

Now, all that remains of the magnificent megalodon ... he realized that tongue stones were in fact prehistoric shark teeth that belonged to something much bigger. An illustration from Steno ...

What’s 66-million-year-old vomit like? A lot more pleasant than the fresh stuff, says paleontologist Jesper Milan.

Just in time for summer, the megalodon—the ancient, city bus-sized shark known as the “Megatooth”—has reared its ravenous snout. While the oceans are now safe from the Megatooth, which went extinct an ...

Paleontologists have discovered what they believe to be vomit from 66 million years ago.

CELINA - Though dinosaurs are the most notable of the prehistoric animals, smaller mammals and fish walked and swam in Ohio, ...