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Registros recuperados: 4
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A new Cretaceous chelid turtle from the northern Neuquén Basin, Argentina Ameghiniana
De La Fuente,Marcelo S.; Calvo,Jorge O.; González Riga,Bernardo J..
Tipo: Info:eu-repo/semantics/report
Ano: 2007 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0002-70142007000200020
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A new Cretaceous terrestrial ecosystem from Gondwana with the description of a new sauropod dinosaur Anais da ABC (AABC)
Calvo,Jorge O.; Porfiri,Juan D.; González-Riga,Bernardo J.; Kellner,Alexander W.A..
A unique site at the northern area of Patagonia (Neuquén, Argentina) reveals a terrestrial ecosystem preserved in a detail never reported before in a Late Cretaceous deposit. An extraordinary diversity and abundance of fossils was found concentrated in a 0.5 m horizon in the same quarry, including a new titanosaur sauropod, Futalognkosaurus dukei n.gen., n.sp, which is the most complete giant dinosaur known so far. Several plant leaves, showing a predominance of angiosperms over gymnosperms that likely constituted the diet of F. dukei were found too. Other dinosaurs (sauropods, theropods, ornithopods), crocodylomorphs, pterosaurs, and fishes were also discovered, allowing a partial reconstruction of this Gondwanan continental ecosystem.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dinosauria; Titanosauria; Ecosystem; Taphonomy; Upper Cretaceous; Gondwana; Patagonia; Argentina.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652007000300013
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A new small deinonychosaur (Dinosauria: Theropoda) from the Late Cretaceous of Patagônia, Argentina Anais da ABC (AABC)
Porfiri,Juan D.; Calvo,Jorge O.; Santos,Domenica dos.
Here we report on a new small deinonychosaurian theropod, Pamparaptor micros gen. et sp. nov., from the Late Cretaceous of Patagônia, Argentina. Pamparaptor micros exhibits a pedal structure previously unknown among South Américan deinonychosaurians. The new material provides new evidence about the morphology and taxonomic diversity of Patagônian deinonychosaurs. Pamparaptor is the smaller non-avialae Patagônian deinonychosaur, probably with about 0.50-0.70 meters, long. The pedal construction resembles, that of Troodontid or basal Dromaeosaurids. Nevertheless, up to now, we considered Pamparaptor a peculiar Patagônian Dromaeosaurid with troodontid-like pes.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Argentina; Barreales Lake; Dromaeosauridae; Late Cretaceous; Patagônia; Unenlagiinae.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652011000100007
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Description of a sauropod dinosaur braincase (Titanosauridae) from the Late Cretaceous Rio Colorado Subgroup, Patagonia Anais da ABC (AABC)
Calvo,Jorge O.; Kellner,Alexander W..
The fossil record of cranial material from titanosaurid sauropods is very poor and no complete skull has been described so far. Here we describe a new braincase (MUCPv-334) that was recovered from reddish sandstones of the Rio Colorado Subgroup (Late Cretaceous) of the region of Bajo del Añelo, approximately 20 km north of the town Añelo (Neuquén Province, Argentina). This specimen is attributed to the Titanosauridae based on the ventrally projected basipterygoid processes, a common condition shared by other titanosaurids. The robustness of MUCPv-334 together with an unusually expanded crista prootica and the presence of an anterior prolongation of the parasphenoid reaching the basal tubera were not reported in other members of the Titanosauridae,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Braincase; Titanosauridae; Late Cretaceous; Patagonia; Argentina.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652006000100015
Registros recuperados: 4
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