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The higher-level phylogeny of Archosauria (Tetrapoda: Diapsida)
This analysis produces a well-resolved phylogeny, which recovers mostly traditional relationships within Avemetatarsalia, places Phytosauria as a basal crurotarsan clade, finds a close relationship between Aetosaurian and Crocodylomorpha, and recovers a monophyletic Rauisuchia comprised of two major subclades.
Deep faunistic turnovers preceded the rise of dinosaurs in southwestern Pangaea
- M. Ezcurra, L. Fiorelli, +7 authors J. Desojo
- Biology, MedicineNature Ecology & Evolution
- 11 September 2017
A Middle–Late Triassic tetrapod assemblage from South America reveals a series of faunal turnovers prior to the rise of dinosaurs in the region.
An unusual new archosauriform from the Middle–Late Triassic of southern Brazil and the monophyly of Doswelliidae
The phylogenetic analysis indicates that Doswellidae is the closest large monophyletic entity to Archosauria, which achieved a wide palaeolatitudinal distribution during the late Middle and Late Triassic time span.
The Cranial Osteology and Feeding Ecology of the Metriorhynchid Crocodylomorph Genera Dakosaurus and Plesiosuchus from the Late Jurassic of Europe
It is hypothesized that trophic specialisation enabled these two large-bodied species to coexist in the same ecosystem and is supported by Plesiosuchus manselii having a very large optimum gape, while Dakosaurus maximus possesses craniomandibular characteristics observed in extant suction-feeding odontocetes.
CRANIAL MORPHOLOGY OF THE LATE TRIASSIC SOUTH AMERICAN ARCHOSAUR NEOAETOSAUROIDES ENGAEUS: EVIDENCE FOR AETOSAURIAN DIVERSITY
The conical shape of the teeth of N. engaeus differs from the slightly compressed teeth of Desmatosuchus, Stagonolepis and Typothorax, and the distinctly recurved teeth of Aetosaurus and Aetosauroides, which suggests a variety of food-item preferences among aetosaurs.
Aetosauria: a clade of armoured pseudosuchians from the Upper Triassic continental beds
Aetosauria is a clade of obligately quadrupedal, heavily armoured pseudosuchians known from Upper Triassic strata on every modern continent except Australia and Antarctica, and there is increasing evidence that at least some aetosaurs relied on invertebrates and/or small vertebrates as a food source.
The Evolution of Extreme Hypercarnivory in Metriorhynchidae (Mesoeucrocodylia: Thalattosuchia) Based on Evidence from Microscopic Denticle Morphology
A cladistic analysis shows that ziphodont dentition may have evolved independently in Dakosaurus and Geosaurus, or been acquired earlier by their common ancestor and secondarily lost in Torvoneustes and related taxa.
A Reappraisal of the Taxonomic Status of Aetosauroides (Archosauria, Aetosauria) Specimens from the Late Triassic of South America and Their Proposed Synonymy with Stagonolepis
No overlapping genera or species of aetosaur are shared between South America and other landmasses, and the record of aETosaurs is not useful for providing biostratigraphical correlations between Late Triassic South American beds and those in other regions.
Cranial anatomy of the aetosaur Paratypothorax andressorum Long & Ballew, 1985, from the Upper Triassic of Germany and its bearing on aetosaur phylogeny
The large aetosaur Paratypothorax andressorum has so far been known only by its osteoderms. Here we describe for the first time the skull of a complete, articulated specimen of this taxon that was…
Osteology and cranial musculature of Caiman latirostris (crocodylia: Alligatoridae)
The skull of C. latirostris differs from that of other caimans and possesses several characters that are potential diagnostic features of this species and should be analyzed within the phylogenetic context of the Caimaninae to evaluate its evolutionary implications for the history of the group.