The Triassic Period was a time of great change. Bookended by extinctions, this era saw huge shifts in the diversity and dominance of life on Earth, ushering in the appearance of many well-known groups ...

Coelophysis is an early theropod dinosaur, a pioneering member of a group that will one day give rise to some of the biggest carnivores ever to live. He’s a lot more humble in his size, however, ...

It lived during the Triassic period (252 million to 201 million years ago) and may have frequented freshwater lakes and rivers as breeding grounds. It's fairly common to find large piles of bones ...

The period of time before the Triassic was called the Permian. This was a time when a wide variety of animals lived, including a group of animals called the synapsids, which would later evolve ...

Hartman’s research focuses on the main forcing mechanism that determines what animals survive and what anatomy or physiology contributes to their survival. Hartman began by sharing some background ...

Discover how crocodiles survived two mass extinctions thanks to their flexible diets and habitats, according to research.

The Triassic period was a unique episode in Earth’s ... At first, these creatures were much smaller, but they eventually outgrew other animals such as the Lystrosaurus, a dog-sized animal ...

Learn why a comprehensive comparison of crocodile skulls, teeth, and jaws hints that generalists, not specialists are best ...

The end of the Triassic Period, 201.4 million years ago ... This means there aren’t as many places for us to look for the fossils of land-based animals from the Middle Jurassic because more of the ...

In the Mesozoic Era, there are fossils that represent both extinct groups and modern groups of animals and plants. During the first period of the Mesozoic Era (Triassic Period), many new types of ...