Long before dinosaurs roamed the Earth, another giant predator claimed the top spot in its environment. Meet Gaiasia, a huge salamander-like creature that stalked the Permian swamps. In case you’re ...

File under ferocious predators we wouldn't want to meet during a swim on ancient Earth: the newly discovered Gaiasia jennyae was a large-fanged, salamander-like swamp creature with a skull around 60 ...

Its skull was more than 2 feet (0.6 meters) long, and researchers estimate the entire animal could have been to 8.2 feet (2.5 m) long, potentially making it the biggest creature of its kind, according ...

Paleontologists have uncovered a fossilized canine tooth belonging to a large, carnivorous mammal that once roamed the swamplands of southeastern Brazil. The creature belonged to an extinct group ...