998 resultados para Vertebrates, Fossil - China


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Compares the metatarsal structural design (subarctometatarsus) of recently discovered Chinese feathered dinosaurs with the metatarsus (arctometatarsus) possessed by more advanced theropod dinosaurs and the metatarsus of more primitive forms. The subarctometatarsus was proved to be an intermediate structure. Additionally the metatarsus appears to co-incide with the evolution of the avian feather suggesting a possible relationship between the subarctometatarsus's evolution and the evolution of avian flight.

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v.6:no.20(1938)

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The survival strategies of Early Triassic Lingulidae fauna and its associated shallow marine faunas across the end-Permian mass extinction 250 million years ago are discussed. Three new genera and nine new species are erected. A comprehensive database of all Lingulidae species through the Late Devonian to Present is also constructed.

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v.16:no.6(1967)

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v.37:no.17(1955)

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"August 1963."

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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v.3:no.8(1970)

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v.3:no.5(1960)

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v.3:no.7(1970)

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v.3:no.3(1953)

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v.3:no.6(1960)

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v.3:no.2(1948)