Things were no better on land where numerous groups went extinct. All of the Triassic archosaurs (the ruling reptiles) who ...

By the end of the Middle Triassic, the synapsids were in decline and a diverse range of archosaurs had appeared. ' The archosaurs were a component of the diapsid lineage, which includes many ...

A newly published review of 252-million-year-old fossils from southwest Germany is offering a deeper understanding of life’s ...

Learn about the time period that took place 251 to 199 million years ago. 3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history. Something—a ...

A herd of primitive carnivorous dinosaurs (Coelophysis, foreground) is enveloped by a sandstorm, while a large carnivorous crocodile-like archosaur (Postosuchus) and several early sauropodomorph ...

The Museum's crocodylomorph and early archosaur collections include an estimated 5,000 ... Our collection includes Triassic material from South Africa, USA, Germany and Scotland. The Jurassic and ...

and other archosaurs. These changes also included many early dinosaurs with strong adaptations to cursoriality (running). Mass extinctions are marked along the time scale: PTME, Permian-Triassic ...

Earth’s continents are constantly shifting. About 252 to 199 million years ago, all the continents were actually one huge “supercontinent” surrounded by one enormous ocean. Slowly, this ...

The Triassic period stands out in Earth’s history as the time when dinosaurs first evolved. It was followed by the Jurassic and Cretaceous periods – at the end of the latter, the dinosaurs ...