For years, a mysterious ancient "scissor-toothed" shark puzzled scientists with its odd-shaped jaw, causing many to wonder just how the "weird" creature's chompers worked. So, a group of researchers ...

One of the most exciting things for any fossil lover is finding just that: a fossil! Shark teeth are often the only links we have to ancient sharks due to their cartilaginous skeletons not being able ...

About 310 million years ago some sharks had saws for jaws – and now we know how one of those sharks, called Edestus, fed. The “saw blade” in its lower jaw glided backwards and forwards like the blade ...

POCATELLO, Idaho — The Idaho Museum of Natural History in Pocatello has created a one-of-a-kind replica of an ancient shark. The skull of the ancient scissor-toothed shark known as Edestus is what ...

Back when Kentucky was like the Gulf of Mexico, about 300 million years ago, a shark from the Edestus genus swam the seas in what is now Webster County. It was a big critter — 20 to 25 feet long, ...