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 ...

With just two rows of teeth, Edestus slid its lower jaw to slice apart its prey. Idaho State University Modern sharks have impressive bites, with aquatic powerhouses such as the great white chomping ...

An illustration of the ancient shark Edestus heinrichi preying on a fish. Many ancient sharks had different jaws than modern sharks. Jesse Pruitt and Evelyn Vollmer, Idaho Virtualization Lab Imagine a ...

A TERRIFYING dino-shark with fatal scissor teeth once ruled the sea shredding its prey into pieces. The edestus is thought to have roamed the seas with its scary jagged teeth and humongous 22ft build ...

This summer we’re celebrating some of the most successful animals our planet has ever seen with the 50th anniversary of Jaws and the return of dinosaurs in Jurassic World Rebirth. While the non-avian ...

Paleontology collections are wonderful. Shelves and cabinets hold anywhere from thousands to hundreds of millions of years of life’s history, assembling giant ground sloths, Cambrian oddballs, ...

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 ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

A chilling artist's impression shows the beast's scary teeth A TERRIFYING dino-shark with fatal scissor teeth once ruled the sea shredding its prey into pieces. The edestus is thought to have roamed ...