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For the first time a detailed ammonite biostratigraphy is presented for the Oxfordian (Upper Jurassic)in the Central Sierra Norte in Mallorca (Balearic archipelago, Spain). Three sections (Coll d'Es Gats, Cuber and Alfabia) have been studied on the basis of a continuous sampling of 10–20 cm thick samples in ammonitico rosso successions 2.3–5 m thick. Ammonite-rich but benthos-poor faunal assemblages...
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