They can tell us how these fish live and evolved. All sharks have teeth, but what may surprise you is that they don’t all have sharp, triangular teeth. ‘Sharks have been around for 420 million years,’ ...

Paleontologists from the University of Colorado, Utah Division of State Parks, Dinosaur National Monument and two other ...

A ferocious-looking fossil fish has been unearthed from a remarkable ... is beautifully preserved in three dimensions. With its big teeth and eyes, it gives the impression it is about to launch ...

and fish fossils tend to remain well-preserved. Additionally, fish-eating birds had numerous teeth along their beaks, whereas ...

The only part of their skeleton not made from this soft, flexible tissue is their teeth. The group includes the more famous animals such as whale sharks and great whites, but also all rays, skates and ...

This "living fossil" can grow as large as an alligator ... and two rows of piercing teeth, these huge fish could easily be mistaken for a ferocious gator — hence their common name: alligator ...

Nathan Dehaut Whoever said everything is bigger in Texas probably wasn’t thinking about teeth, but a recent fossil find in the Lone Star State shows how large some chompers could get.

Sharks, ancient cartilaginous fishes, have existed for over 410 million years, surviving five mass extinctions through their ...

The new mammal lived in Colorado 70 to 75 million years ago -- a time when a vast inland sea covered large portions of the ...

In 2016, John Foster was walking around the sandstone countryside that defines northwest Colorado when he stopped at ...

A team of paleontologists working in northwest Colorado have discovered Heleocola piceanus, a mammal that was alive during ...

Scientists say they have discovered fossils belonging to a "nightmarish ... long - the same as an orca - and had "dagger-like" teeth. Researchers said the species would have lived alongside ...