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Fossils from before the mass extinction have only been found around the Equator, but after the event fossils can be found all over the world. [13] Suggested explanations for this include: Archosaurs made more rapid progress towards erect limbs than synapsids, and this gave them greater stamina by avoiding Carrier's constraint.
Archosaurus (meaning "ruling lizard") is an extinct genus of carnivorous proterosuchid archosauriform reptile. [1] Its fossils are dated to the latest Permian of Russia and Poland, it is one of the earliest known archosauriforms.
This article records new taxa of every kind of fossil archosaur that are scheduled to be described during 2024, as well as other significant discoveries and events related to the paleontology of archosaurs that will be published in 2024. Paleontology portal; History of science portal; dinosaurs portal
This article records new taxa of fossil archosaurs of every kind that are scheduled described during the year 2025, as well as other significant discoveries and events related to paleontology of archosaurs that are scheduled to occur in the year 2025. Paleontology portal; History of science portal; dinosaurs portal
The oldest fossil evidence for paravians — the dinosaur group that includes the earliest birds and their closest relatives — appears around the middle of the Jurassic Period (201.3 million to ...
A study estimating moment arms for major pelvic limb muscles in extant and fossil archosaurs, aiming to investigate the idea that bird-line archosaurs switched from hip-based to knee-based locomotion between Archosauria (especially Neotheropoda) and Aves, is published by Allen, Kilbourne & Hutchinson (2021).
Drawing data from four sites—along with a detailed 262-foot-long set of fossil prints—scientists ... pedal morphology of Late Mesozoic archosaurs and firmly shows that the origin of bird-like ...
The earliest "rauisuchian" to be named, though its holotype fossil (a toothed maxilla bone) was misidentified as that of an early carnosaurian dinosaur. A complete re-evaluation of archosaur systematics in the 1980s involved the recognition that Teratosaurus (and other "rauisuchians") were completely unrelated to carnosaurian dinosaurs ...