Roughly 252 million years ago, Earth experienced its deadliest known extinction. Known as the Permian–Triassic Mass Extinction, or “The Great Dying,” this cataclysm wiped out over 80% of marine ...

A late Triassic-era rausuchian, one of the rival reptile lineages who lost out to the dinosaurs. Dmitry Bogdonav/Wikimedia Commons About 200 million years ago, the earliest dinosaurs had a lot of ...

Bite marks on Triassic fossils show signs of bloody dino decapitation. Aquatic dinosaurs evolved long, inflexible necks—an asset for foraging, but also a liability. By Sara Kiley Watson.

At the beginning of the Triassic period, dinosaurs were one of many lizards roaming the Earth. "Most of the animals in the ecosystem were the various relatives of crocodiles," Qvarnström says.

But the Triassic, as Luoping witnesses, saw the burgeoning of bivalves (think oysters, clams and scallops), decapods (lobsters, crabs and shrimp), shell-less “coleoid” cephalopods (octopus and ...

Lagerpetids existed over 200 million years ago; as previously reported by Gizmodo, their claws were likely used for actions beyond locomotion, like climbing and hunting. A skeletal and scaled ...

Paleontologists studying fossilized poop, known as a coprolite, recently unearthed rare evidence of parasitic infection in a reptile that lived during the Triassic Period.

Scientists have identified a new species of extinct crocodile kin that reveals they unexpectedly ruled the coasts of the Triassic period. The groundbreaking discovery of the Benggwigwishingasuchus ...

Pterosaurs, which dominated the skies of the Triassic, Jurassic and Cretaceous periods, first evolved to take to the air in warm and humid conditions during the Late Triassic, a new study suggests.

A new species of ancient reptile has been named after spending more than 200 million years buried in the ground. Threordatoth chasmatos was one of the last survivors of the procolophonids, a group ...