Scientists have explored how changes in sea surface temperatures during the Cretaceous influenced the diversification and ...

Exquisitely preserved fossils of a shark that thrived during the Cretaceous period appear to solve a long-standing mystery around how it hunted and where it fits into the shark evolutionary tree.

Throughout the world, there are creatures that haven't evolved for millions of years, and these eight living fossils ...

At the beginning of the Cretaceous Period (145 million to 66 million years ago) sharks were once again widely common and varied in the ancient seas, before experiencing their fifth mass extinction ...

Long before the carnage began, the Cretaceous picked up where the Jurassic ... snakelike mosasaurs. Rays and modern sharks became common. Sea urchins and sea stars (starfish) thrived; coral ...

Cretoxyrhina was one of the largest sharks and a formidable predator in the Late Cretaceous seas. Nicknamed the Ginsu shark after the kitchen knife that slices and dices, Cretoxyrhina ripped apart ...

Eberle said that finding mammal fossils from the Cretaceous period doesn't happen often ... and even fishes, including sharks ...

Crocodilian ancestors known as thallatosuchians roamed the middle Jurassic and early Cretaceous eras (roughly 191-113 million years ago) and comprised two primary groups, teleosauridae and ...

Until recently, a gap existed in the world map of amber discoveries: the Antarctic continent. But that gap has finally been ...

Thankfully, Colorado preserves it well, and this is where a team of scientists retrieved fossil evidence of a Late Cretaceous “swamp dweller”. The fossil remains included a jawbone and three ...

“There are a few animals emerging from the Late Cretaceous that are bigger than ... that were living in the water quite happily like sharks, rays and guitarfish.” The paleontology team is ...

The merest hint of Atlantis' former glory is now left as the gemlike Seychelles islands, the Atlanteans replaced by corals, sharks ... dinosaurs at the end of the Cretaceous Period about 65 ...