期刊
ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS
卷 79, 期 3, 页码 529-541出版社
ACAD BRASILEIRA DE CIENCIAS
DOI: 10.1590/S0001-37652007000300013
关键词
dinosauria; titanosauria; ecosystem; taphonomy; Upper Cretaceous; Gondwana; Patagonia; Argentina
A unique site at the northern area of Patagonia (Neuquen, 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.
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