Newly analyzed jawbones from 380-million-year-old lungfish are shedding light on the feeding behaviors of our earliest ...

The large flying reptiles known as pterosaur preyed on primitive fish that would have hard scale armour covering them.

A Zurich research team has described the 365-million-year-old fossils of a fish with an extreme underbite. The lower jaw of the fish called Alienacanthus was twice as long as its skull, according ...

Paleontologists have uncovered in Arizona a Triassic treasure trove of fossils dating back 209 million years ago.

Moray eels already look terrifying on their own. However, few people know that these creatures have a second set of jaws inside their mouths, lined with sharp teeth. This hidden jaw only springs ...