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His analysis of the small Triassic archosaur Scleromochlus placed it within bird-line archosaurs but outside Ornithodira, meaning that Ornithodira was no longer equivalent to bird-line archosaurs. Below is a cladogram modified from Benton (2004) showing this phylogeny: [ 24 ]
A study on bone histology of Trialestes romeri, providing evidence of a rapid growth rate, is published by Ponce, Cerda & Desojo (2025). [5]A study on the biodiversity of thalattosuchians throughout their evolutionary history, attempting to identify factors driving thalattosuchian evolution, is published by Forêt et al. (2025).
Extinct archosaurs include non-avian dinosaurs, pterosaurs, and extinct relatives of crocodilians. 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.
"Rauisuchia" is a paraphyletic group of mostly large and carnivorous Triassic archosaurs. [2] Rauisuchians are a category of archosaurs within a larger group called Pseudosuchia, which encompasses all archosaurs more closely related to crocodilians than to birds and other dinosaurs. First named in the 1940s, Rauisuchia was a name exclusive to ...
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]
The morphology and evolution of the pelvis in pterosaurs is reviewed by Hyder et al. (2014), who also find significant differences that correlate well with several pterosaur clades. [146] Bantim et al. (2014) analyze the skull variation and the shape of the sagittal premaxillary crests in anhanguerid pterosaurs using bidimensional geometric ...
Gregory S. Paul inferred that Lagosuchus was one of the smallest Triassic archosaurs, with a weight of about 167 g, similar in size and ecology to a weasel or ferret. [9] Thomas Holtz estimated that Lagosuchus could have obtained a total length of 1.7 ft (51 cm) and a weight similar to that of a pigeon (50-500 g). [ 10 ]