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      A new Cretaceous terrestrial ecosystem from Gondwana with the description of a new sauropod dinosaur

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          Abstract

          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.

          Translated abstract

          Um depósito fóssil na região norte da Patagônia (Neuquén, Argentina) revela um ecossistema nunca antes registrado a este nível de detalhes em depósitos do Cretáceo Superior. Uma diversidade e abundância extraordinária de fósseis encontra-se concentrada em uma camada de 0,5 m no mesmo sítio, incluindo um novo saurópodo titanossaurídeo, Futalognkosaurus dukei n. gen, n. sp., que é o mais completo dinossauro gigante encontrado até a presente data. Foram descobertas váriasfolhas de plantas indicando a predominância de angiospermas sobre gimnospermas que possivelmente formavam a base da dieta de F. dukei. Outros dinossauros (saurópodes, terópodes, ornitópodes), crocodilomorfos, pterossauros e peixes foram também encontrados possibilitando a reconstrução parcialdeste ecossistema continental do Gondwana.

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          The phylogenetic relationships of sauropod dinosaurs

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            Megaraptor namunhuaiquii, gen. et sp. nov., a large-clawed, Late Cretaceous theropod from Patagonia

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              Revision of South American titanosaurid dinosaurs: paleobiological, palaeobiogeographical and phylogenetic aspects

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                aabc
                Anais da Academia Brasileira de Ciências
                An. Acad. Bras. Ciênc.
                Academia Brasileira de Ciências (Rio de Janeiro )
                1678-2690
                September 2007
                : 79
                : 3
                : 529-541
                Affiliations
                [1 ] Universidad Nacional del Comahue Argentina
                [2 ] CONICET
                [3 ] Universidad Nacional de Cuyo
                [4 ] Universidade Federal do Rio de Janeiro Brazil
                Article
                S0001-37652007000300013
                10.1590/S0001-37652007000300013
                2b35b9a9-e0a9-495d-b4ae-dfc85925695c

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0001-3765&lng=en
                Categories
                MULTIDISCIPLINARY SCIENCES

                Dinosauria,Titanosauria,ecosystem,taphonomy,Upper Cretaceous,Gondwana,Patagonia,Argentina,ecossistema,tafonomia,Cretáceo Superior,Patagônia

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