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  1. 1

    Ammonoids, their biozonation and their palaeobiogeographic relation across the Turonian-Coniacian boundary in northern Coahuila, Mexico von Ifrim, Christina (VerfasserIn) , Porras Múzquiz, Héctor (VerfasserIn) , Stinnesbeck, Wolfgang (VerfasserIn) ,


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  3. 3

    Early Cretaceous ammonites from eastern Heilongjiang, northeastern China, and their chronostratigraphical significance von Li, Gang (VerfasserIn) , Bengtson, Peter (VerfasserIn) ,


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  4. 4

    Cretaceous ammonite zonation of the Sergipe Basin, northeastern Brazil von Bengtson, Peter (VerfasserIn) , Zucon, Maria Helena (VerfasserIn) , Conceição Santos Sobral, Anderson da (VerfasserIn) ,


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  5. 5

    Systematic palaeontology of the Perisphinctoidea in the Jurassic/Cretaceous boundary interval at Le Chouet (Drôme, France), and its implications for biostratigraphy von Frau, Camille (VerfasserIn) , Bulot, Luc G. (VerfasserIn) , Wimbledon, William A. P. (VerfasserIn) , Ifrim, Christina (VerfasserIn) ,


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