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 ago and includes …

Archosauria (the "ruling reptiles") is a major group of diapsids, differentiated from the other diapsids by the presence of single openings in each side of the skull, in front of the eyes (antorbital fenestrae), …

Feb 2, 2024 · In summary, archosaurs are defined by a suite of anatomical features like fenestrated skulls, ankle joints and teeth in sockets. They comprise a monophyletic group that has existed for …

Aug 15, 2023 · 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, …

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 to the …

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

The meaning of ARCHOSAUR is any of a subclass (Archosauria) of reptiles comprising the dinosaurs, pterosaurs, and crocodilians.

2026 in archosaur paleontology ... Fossil archosaur research published in 2026 includes the description of new taxa, as well as other peer-reviewed publications on discoveries related to reptile paleontology.