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Archosaurs made more rapid progress towards erect limbs than synapsids, and this gave them greater stamina by avoiding Carrier's constraint. An objection to this explanation is that archosaurs became dominant while they still had sprawling or semi-erect limbs, similar to those of Lystrosaurus and other synapsids. [citation needed]
Torres et al. (2025) report the discovery of a new, nearly complete skull of Vegavis iaai, interpret its morphology as supporting phylogenetic affinities of Vegavis with Anseriformes, and report evidence of the presence of a feeding apparatus different from those of extant members of Anseriformes but similar to those of extant birds that ...
Evidence of the impact of function on the evolution of the lower jaw morphology in crocodile-line archosaurs is presented by Rawson et al. (2024). [16]A review of studies on the thermometabolism of crocodile-line archosaurs from the preceding 20 years is published by Faure-Brac (2024).
The "classic" definition of archosaur utilized prior to the widespread use of cladistics is now roughly equivalent to the clade Archosauriformes. [5] Archosaurus is still considered the oldest undisputed archosauriform, as well as one of the few valid members of the family Proterosuchidae .
“That these tracks of southern Africa, dating to the Late Triassic, so strongly resemble Cenozoic and modern bird tracks substantiates the converging pedal morphology of Late Mesozoic archosaurs ...
A study on the morphology, preservation and taphonomy of the skin of Haestasaurus becklesii, and a review of sauropod skin morphology, is published by Pittman et al. (2022). [ 204 ] A study on the anatomy and phylogenetic affinities of Ligabuesaurus leanzai , based on data from new postcranial elements assigned to the holotype specimen and from ...
A study on the morphology of dorsal vertebrae of extant and fossil archosaurs, and on its implications for inferring lung structure in non-avian dinosauriform archosaurs, is published by Brocklehurst, Schachner & Sellers (2018). [1] [2]
Abrahams & Bordy (2023) reevaluate tracks assigned to the ichnogenus Trisauropodiscus from the Upper Triassic–Lower Jurassic Elliot Formation, and report that the studied material includes tracks produced by a yet-unknown tridactyl archosaur with a bird-like foot morphology. [398]