Inicio > Matemáticas y ciencia > Biologia, ciencias de la vida > Ciencias de la vida: cuestiones generales > Ecología, la biosfera > Late Cretaceous/Paleogene West Antarctica Terrestrial Biota and its Intercontinental Affinities
Late Cretaceous/Paleogene West Antarctica Terrestrial Biota and its Intercontinental Affinities

Late Cretaceous/Paleogene West Antarctica Terrestrial Biota and its Intercontinental Affinities

Carolina Acosta Hospitaleche / Francisco Goin / Marcelo Reguero

68,10 €
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Editorial:
Springer Nature B.V.
Año de edición:
2012
Materia
Ecología, la biosfera
ISBN:
9789400754904
68,10 €
IVA incluido
Disponible

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One of the most intriguing paleobiogeographical phenomena involving the origins and gradual sundering of Gondwana concerns the close similarities and, in most cases, inferred sister-group relationships of a number of terrestrial and freshwater vertebrate taxa, e.g., dinosaurs, flying birds, mammals, etc., recovered from uppermost Cretaceous/ Paleogene deposits of West Antarctica, South America, and NewZealand/Australia. For some twenty five extensive and productive investigations in the field of vertebrate paleontology has been carried out in latest Cretaceous and Paleogene deposits in the James Ross Basin, northeast of the Antarctic Peninsula (AP), West Antarctica, on the exposed sequences on James Ross, Vega, Seymour (=Marambio) and Snow Hill islands respectively. The available geological, geophysical and marine faunistic evidence indicates that the peninsular (AP) part of West Antarctica and the western part of the tip of South America (Magallanic Region, southern Chile) were positioned very close in the latest Cretaceous and early Paleogene favoring the 'Overlapping' model of South America-Antarctic Peninsula paleogeographic reconstruction. Late Cretaceous deposits from Vega, James Ross, Seymour and Snow Hill islands have produced a discrete number of dinosaur taxa and a number of advanced birds together with four mosasaur and three plesiosaur taxa, and a few shark and teleostean taxa.

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