Archosaurs have a nearly 250 million year record that originated shortly after the Permian-Triassic extinction event and is continued today by two extant clades, the crocodylians and the avians. The ...

Extinct archosaurs' eggshell porosity may be used as a proxy for predicting covered or exposed nest types, according to a new study. Extinct archosaurs' eggshell porosity may be used as a proxy for ...

Scientists have identified one of the earliest known dinosaur relatives — and it doesn’t look anything like they expected. Researchers had thought that the oldest dinosaur cousins would look rather ...

Researchers have described a new species of armored reptile that lived near the time of the first appearance of dinosaurs. With bony plates on its backbone, this archosaur fossil reveals that armor ...

A newly-described 235-million-year old fossil tells us more about the ancient ancestor to dinosaurs and pterosaurs. Scientists have unveiled a new species of archosaur, a reptile that existed around ...

Poposaurus comes from a group of extinct relatives of the crocodile known as Poposauroidea. Crocodiles and birds share an evolutionary heritage with dinosaurs and pterosaurs, despite there being ...

A fascinating truth: the rulers of the Triassic weren’t dinosaurs. This film uncovers how archosaurs crown line reptiles of which dinosaurs are just one branch reigned for millions of years before ...

The origins and early origins of archosaurs has been a long-standing puzzle. While the precursors of archosaurs were present during the end of the Permian period — a time during which our own distant ...

Everybody knows about dinosaurs. How could we not? They’re everywhere, from museum halls and Hollywood blockbusters to city sidewalks where their modern, feathery representatives pick up crumbs with ...