Archosaur - Wikipedia
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 | Characteristics & Phylogeny | Britannica
Archosaur, any of a reptile lineage, including all crocodiles and birds, as well as dinosaurs and pterosaurs, that emerged during the Triassic Period.
Archosaur - Simple English Wikipedia, the free encyclopedia
Archosaurs are a large group of reptiles, including all crocodiles, birds, dinosaurs, and pterosaurs (flying reptiles). There are also a number of smaller extinct groups, mostly from the Triassic period. [1]
Archosauria: More on Morphology - University of California …
First of all, the "stem archosaurs" (properly termed Archosauromorpha), including Champsosauridae and Euparkeria, have a calcaneal tuber. This is a bony process projecting posteriorly from the ankle joint that serves as an attachment point for …
The early evolution of archosaurs : relationships and the origin of ...
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.
What are Archosaurs? (with pictures) - AllTheScience
2024年5月21日 · 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 titanic Brachiosaurus and the deadly Tyrannosaurus rex.
Archosauriformes - Wikipedia
Archosauriforms are a branch of archosauromorphs which originated in the Late Permian (roughly 252 million years ago) and persist to the present day as the two surviving archosaur groups: crocodilians and birds.
Category:Archosaurs - Wikipedia
Archosaurs are broadly classified as reptiles, in the cladistic sense of term which includes birds. Extinct archosaurs include non-avian dinosaurs, pterosaurs, and extinct relatives of crocodilians.
New Species of Archosaur Revealed: This Armored Reptile Lived …
2023年8月15日 · 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 roamed the planet more than 235 …
Archosaurus | Triassic, Reptile, Carnivore | Britannica
Archosaurus, early genus of reptiles found as fossils in Middle and Late Permian deposits of Europe (265 million to 251 million years ago). Archosaurus typifies the progressive changes occurring in reptilian structure that eventually led to their dominance as the major vertebrates. A clear trend was in the modification of the limbs and the pelvis.
- 某些结果已被删除