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 ...