The Ark Survival Ascended Helicoprion gets an official update, and this new shark’s terrifying appearance belies a great ...

One of the longest-running of these mysteries involved a 270-million-year-old sea creature called Helicoprion that once swam the seas around the supercontinent of Pangea.

The Helicoprion is one of the strangest sharks to ever exist—known for its bizarre, spiral-shaped jaw that looks like a buzz saw. In this video, we explore what scientists think it looked like ...

The Helicoprion, a 20-foot-long carnivorous fish that lived 270 million years, probably fed mostly on prehistoric cephalopods, or relatives to today’s squid and octopus, according to Switek.

As a result, Troll began working with paleontologist Leif Tapanila, who used used CT scans to image a whole skull of a Helicoprion—revealing that the buzzsaw shape was actually part of its lower ...

The first fossil finds of Helicoprion and related species were made in the 19th century. They were shaped like the remains of ammonoids, spiral-shelled marine mollusks.

Helicoprion was not a buzzsaw predecessor to great white or tiger sharks. The fish belonged to the lineage one branch over, near the evolutionary split where the ancestors of living sharks and ...

A new specimen of Helicoprion Karpinsky, 1899 from Kazakhstanian Cisurals and a new reconstruction of its tooth whorl position and function Acta Zoologica, 90, 171-182 DOI: 10.1111/j.1463-6395. ...

"Helicoprion looked a lot like a big-bodied modern shark, but it had a very unusual mouth,” Tapanila said. "An arc of 15 to 18 serrated teeth were exposed in the center of its lower jaw, and it ...