Modern paleontologists define Archosauria as a crown group that includes the most recent common ancestor of living birds and crocodilians, and all of its descendants.

Archosaur, any of a reptile lineage, including all crocodiles and birds, as well as dinosaurs and pterosaurs, that emerged during the Triassic Period.

Jul 20, 2025 · The term “archosaur” translates to “ruling reptiles,” a name hinting at their impressive evolutionary history. This group of reptiles first appeared around 250 million years …

First of all, the "stem archosaurs" (properly termed Archosauromorpha), including Champsosauridae and Euparkeria, have a calcaneal tuber. This is a bony process projecting …

Scientists have unveiled a new species of archosaur, a reptile that existed around the dawn of the dinosaurs. The armored creature sported both crocodilian and dinosaur-like features, and …

Feb 2, 2024 · Archosaurs are a group of diapsid reptiles that first appeared during the late Permian period and became the dominant terrestrial vertebrates during the Mesozoic era. …

May 21, 2024 · Archosaurs, one type of diapsid, are the group most famously known for having dinosaurs as its members. Every dinosaur was an archosaur, from the leaf-eating Stegosaurus …

Archosauria, often referred to as archosaurs, is a significant group of reptiles that includes dinosaurs, pterosaurs (flying reptiles), and crocodylomorphs (alligators and crocodiles), along …

Archosaurs are defined as diapsid reptiles that include dinosaurs, flying pterosaurs, modern birds, crocodilians, and a variety of Mesozoic groups, characterized by unique skull features such as …

"A new archosauriform species from the Panchet Formation of India and the diversification of Proterosuchidae after the end-Permian mass extinction, Archosaurus is the reptile the …