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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…
A NEW EARLY LATE TRIASSIC SAURISCHIAN DINOSAUR FROM RIO GRANDE DO SUL STATE, BRAZIL
The Late Triassic dinosauromorph Sacisaurus agudoensis (Caturrita Formation; Rio Grande do Sul, Brazil): anatomy and affinities
Abstract Silesauridae is an exclusively Triassic group of dinosauromorphs, knowledge on the diversity of which has increased dramatically in the last few years. Silesaurid relationships are still…
A Late Triassic dinosauriform from south Brazil and the origin of the ornithischian predentary bone
The South American Late Triassic offers the most comprehensive window to the early radiation of dinosaurs, enhanced by the discovery of Sacisaurus agudoensis, a new dinosauriform from the Caturrita Formation of Brazil, which has a pair of elements forming the tip of its lower jaw hypothesized to be equivalent to the ornithischian predentary.
New Data on the Clevosaurus (Sphenodontia: Clevosauridae) from the Upper Triassic of Southern Brazil
- A. S. Hsiou, Marco A. G. De França, Jorge Ferigolo
- Environmental Science, GeographyPloS one
- 10 September 2015
The need of a deep phylogenetic review of Clevosauridae is indicated, in order to discover synapomorphic characters among the diversity of these Triassic/Jurassic sphenodontians.
A Primitive Late Triassic ‘ictidosaur’ from Rio Grande Do Sul, Brazil
A primitive ‘ictidosaur’ from lower Norian beds of southern Brazil, Riograndia guaibensis gen. et sp. nov., represented by a fragmentary skull and a lower jaw bearing a complete dentition, shows a…
A Review of Tertiary Mammal Faunas and Birds from Western Amazonia
Associated skeletons of a new middle Triassic “Rauisuchia” from Brazil
- M. A. G. França, Jorge Ferigolo, M. Langer
- Environmental Science, GeographyNaturwissenschaften
- 29 March 2011
A new “rauisuchian” is described based on ten individuals found in a single locality from the Middle Triassic (Ladinian) Santa Maria Formation of southern Brazil, suggesting that those highly successful predators exhibited some kind of intraspecific interaction.
FIRST BASAL SYNAPSIDS (“PELYCOSAURS”) FROM THE UPPER PERMIAN-?LOWER TRIASSIC OF URUGUAY, SOUTH AMERICA
- G. Piñeiro, Mariano Verde, M. Ubilla, Jorge Ferigolo
- Geography, Environmental ScienceJournal of Paleontology
- 1 March 2003
In their monograph Review of the Pelycosauria, Romer and Price (1940), proposed that the earliest synapsids (“pelycosaurs”) were cosmopolitan, despite the observation that amniotes appeared to be…
Tropical Fossil Caviomorph Rodents from the Southwestern Brazilian Amazonia in the Context of the South American Faunas: Systematics, Biochronology, and Paleobiogeography
- L. Kerber, F. R. Negri, A. M. Ribeiro, N. Nasif, J. P. Souza-Filho, Jorge Ferigolo
- Geography, Environmental ScienceJournal of Mammalian Evolution
- 1 March 2017
Most of the Neogene rodents from the Acre region show more similarities to those from the Entre Rios, Argentina, and Urumaco, Venezuela, where wet environments were present during Neogene times, while some rodent lineages recorded here seem to be more related to older faunas, from the middle Miocene and Paleogene.