Imagine a crocodile built like a greyhound—that's a sebecid. Standing tall, with some species reaching 20 feet in length, ...

You wouldn't have been able to predict this looking at the modern ecosystem," said paper author and vertebrate paleontologist ...

Knife-toothed reptiles called sebecids went extinct on the mainland 10 million years ago. New fossil evidence puts them on an island 4 million years ago.

"This was a pretty weird forest — not like any forest you would see today." Researchers in England just discovered fossil ...

Geologists recently discovered the fossil of a Cretaceous-era mosasaur vertebra near Starkville, Mississippi. The experts ...

A fossilized mandible discovered in Taiwan has been identified as belonging to a Denisovan, an enigmatic group of ancient ...

It is not until the Age of Fishes in the Devonian (starting 419 million years ago) that fossil shark teeth and complete shark fossils appear. The world's oldest intact shark fossil is of a ...

Using preserved fossils from a site in Aberdeenshire, Scotland — the famed Rhynie chert (a Lower Devonian sedimentary deposit) — Loron and his colleagues examined a smaller species known as ...