Dr. Scott explains the differences between prehistoric sharks and sharks today. Dr. Scott explains the differences between prehistoric sharks and sharks today. Dinosaur Train is available to stream on ...

During the Cretaceous Period, a genus of sharks roamed the sea with rows of unusual teeth. Mostly large and rounded, these chompers were not meant to slice through their prey, but to grind and crush ...

This video presents a complete timeline of prehistoric sharks, tracing their origins back more than 400 million years.

(CN) — During an extensive search for new fossil species, Jun Ebersole found one in an old box. “A few years ago, I was looking through the historical fossil collections at the Geological Survey in ...

Sharks might be the all time bullet-dodging champions. They’ve been around for about 450 million years, longer than trees, longer than the rings of Saturn, and longer than most of the other life on ...

Long before lions, sharks, and crocodiles, the planet belonged to creatures that redefined the meaning of predator. From razor-toothed theropods to armored herbivores capable of crushing bone, these ...

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