Archosaur - Wikipedia
Archosauria (lit. 'ruling reptiles') or archosaurs (/ ˈɑːrkəˌsɔːr / [3]) is a clade of diapsid sauropsid tetrapods, with birds and crocodilians being the only extant representatives.
Archosaur | Characteristics & Phylogeny | Britannica
Archosaurs (“ruling reptiles”) are members of a subclass that also includes the dinosaurs, the pterosaurs (flying reptiles), and several groups of extinct forms, mostly from the Triassic Period (251 million to 200 million years ago). The true archosaurs are divided into two branches.
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Archosauria - University of California Museum of Paleontology
Archosauria (the "ruling reptiles") is a major group of , differentiated from the other diapsids by the presence of single openings in each side of the skull, in front of the eyes (antorbital fenestrae), among other characteristics.
Archosaur - Simple English Wikipedia, the free encyclopedia
Crocodiles basking in the sun. Crocodiles can move quite fast on land by tucking their legs under their body: an archosaur feature. Archosaurs are a large group of reptiles, including all crocodiles, birds, dinosaurs, and pterosaurs (flying reptiles).
Pelycosaurs, Archosaurs, and Therapsids - ThoughtCo
2024年8月27日 · If you’re curious about what was before dinosaurs, pelycosaurs, archosaurs, and therapsids were the main life forms during this time period.
Archosaurs - Vocab, Definition, and Must Know Facts | Fiveable
Archosaurs are a group of diapsid reptiles that include modern birds and crocodilians, as well as their extinct relatives like dinosaurs and pterosaurs. This clade is characterized by unique features in their skull structure, such as an antorbital fenestra and a mandibular fenestra, which differentiate them from other reptiles.
Archosauria: Overview - Palaeos
The early crown group archosaurs (the post-Proterosuchian thecodonts) were a diverse group of Triassic reptiles that dominated the land during the Middle and Late Triassic. They included small, agile two- and four-legged forms, large four-legged carnivores, armored herbivores, and crocodile-like aquatic reptiles.
The earliest bird-line archosaurs and the assembly of the ... - Nature
2017年4月12日 · The early history of the bird-line archosaurs, a group including dinosaurs, birds and pterosaurs, but excluding crocodilians, is not well defined. This is due in part to a fragmentary fossil ...
New archosaur species shows that precursor of dinosaurs and …
2023年7月26日 · The newly described archosaur species, named Mambachiton fiandohana, is the earliest diverging member of the bird line of archosaur evolution.
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