The Mesozoic Era extinctions formed the world as we know it today. Read about what caused them and which animals survived.

Threordatoth chasmatos was one of the last survivors of the procolophonids, a group of lizard-like animals that were once widespread during the Triassic. A fossil hotspot in southern England has ...

Read about the Jurassic extinction event that wiped out many species at the beginning of this Period and led to the rise of ...

The discovery of nearly 20 alligator-size amphibians that died together during the Triassic in what is now Wyoming is ...

As animal life began to recover ... They were more diverse than the ancestors of modern lizards during the Triassic, performing similar ecological roles that lizards do today. 'During the early ...

It probably spent most, if not all, of its life in the water eating… anything unfortunate enough to venture too far into the ...

A new review of Triassic fossils from Germany reveals rich tetrapod diversity and links to modern biodiversity and climate ...

Most people think of crocodilians as living fossils—stubbornly unchanged, prehistoric relics that have ruled the world's swampiest corners for millions of years. But their evolutionary history tells a ...

Paleontologists found a group of four-legged Triassic creatures preserved in the same bone bed—but they don’t know what ...

Paleontologists are uncovering a bonebed containing more than 19 giant amphibian skeletons from the Popo Agie Formation near ...

Dozens of amphibians perished together on an ancient floodplain around 230 million years ago, according to a new study.