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The higher-level phylogeny of Archosauria (Tetrapoda: Diapsida)
TLDR
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.
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Early dinosaurs: A phylogenetic study
TLDR
A new cladistic analysis of the early dinosaur radiation was performed to assess the relationships among the three major clades (Ornithischia, Sauropodomorpha and Theropoda) and to define the phylogenetic position of the basal members of the group.
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The pelvic and hind limb anatomy of the stem-sauropodomorph Saturnalia tupiniquim ( Late Triassic , Brazil )
TLDR
The reconstruction of the pelvic musculature of Saturnalia, along with a study of its locomotion pattern, indicates that the hind limb of early dinosaurs did not perform only a fore-and-aft stiff rotation in the parasagittal plane, but that lateral and medial movements of the leg were also present and important.
THE CONTINENTAL TETRAPOD-BEARING TRIASSIC OF SOUTH BRAZIL
The Rosario do Sul Group is one of the better-known tetrapod-bearing continental deposits of Triassic age. It crops out in central Rio Grande do Sul, south Brazil, and has yielded a fauna of more…
The origin and early evolution of dinosaurs
TLDR
The oldest unequivocal records of Dinosauria were unearthed from Late Triassic rocks accumulated over extensional rift basins in southwestern Pangea, and the group achieved a nearly global distribution by the latest Triassic, especially with the radiation of saurischian groups such as “prosauropods” and coelophysoids.
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A sauropodomorph dinosaur from the Upper Triassic (Carman) of southern Brazil
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Studies on continental Late Triassic tetrapod biochronology. II. The Ischigualastian and a Carnian global correlation
  • M. Langer
  • Geography, Environmental Science
  • 1 June 2005
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THE PECTORAL GIRDLE AND FORELIMB ANATOMY OF THE STEM-SAUROPODOMORPH SATURNALIA TUPINIQUIM (UPPER TRIASSIC, BRAZIL)
TLDR
Description of the pectoral girdle and forelimb elements of two specimens of Saturnalia tupiniquim, a stem-sauro- podomorph from the Upper Triassic Santa Maria For- mation, southern Brazil, reveals a distinctive set of plesiomorphic, derived and unique traits, which shed light on the function and phylogenetic significance of these skel- etal elements within early dinosaurs.
U-Pb age constraints on dinosaur rise from south Brazil
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The first record of dinocephalians in South America: Late Permian (Rio do Rasto Formation) of the Paraná Basin, Brazil
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