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English SummaryMarine SedimentsCalcareous NannofossilAmmonite FaunasLower CretaceousEarly CretaceousSediment PetrographyDevonian-Carboniferous BoundaryMiddle DevonianBiostratigraphyNatural BuildingAmmonitesUpper CarboniferousFaunaLower JurassicDistribution PatternFlora and FaunaHexactinellid SpongeCarbon Stable IsotopeLithostratigraphy