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Fossil MaterialMiddle DevonianLower CretaceousCantabrian MountainsLower DevonianInternal Dorsal StructureModern Geographical DistributionMultivariate AnalysisUpper Ordovician-lower SilurianArtistic ReconstructionPalaeogeographic DistributionCluster Analysisthe Cretaceous-Paleogene BoundaryBiological ExtinctionTheropod FootprintsDinosaur SkeletonDinosaur EggshellsDinosaur TracksiteMiddle-Upper JurassicSystematical Review