Some fossilized teeth from giant ancient megalodon sharks have unique scratches on them. These scratches, researchers believe ...

he realized that tongue stones were in fact prehistoric shark teeth that belonged to something much bigger. An illustration from Steno’s 1667 paper comparing teeth from a dissected shark head to ...

Sharks have ruled the Earth’s oceans for 400 million years and recent research on fossilized shark teeth has led to the ...

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

Louis-Philippe Bateman's fascination with megalodon began with a single sentence in a book about Canada's geological ...

A "serrated blade" found sticking from a rock in the United Kingdom has been identified as a "nearly perfect" prehistoric shark tooth ... the "can-opener" shaped teeth of tiger sharks.

the Edestus is another prehistoric shark that looks quite… odd. Also called the scissor-toothed shark, the Edestus had curved jaws that resulted in its teeth sticking out at odd angles.

Just in time for summer, the megalodon—the ancient, city bus-sized shark known as the “Megatooth”—has ... That puts Megatooth, and probably some of its ancestors, at the top step of the prehistoric ...

These jaws were lined with 276 teeth, and studies reconstructing the shark's bite force suggest that it may have been one of the most powerful predators ever to have existed. Humans have been measured ...

Nicknamed the Ginsu shark after the kitchen knife that slices and dices, Cretoxyrhina ripped apart prey with a mouth full of razor-sharp, bone-shearing teeth. Evidence suggests Cretoxyrhina fed on ...

Wight Coast Fossils photo A “ serrated blade” found sticking from a rock in the United Kingdom has been identified as a “nearly perfect” prehistoric shark ... of their teeth is a thriving ...