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Bulletin of the British Museum (Natural History). v.44 no.3


  1. The ammonite zonal sequence and ammonite taxonomy in the Douvilleiceras mammillatum superzone (Lower Albian) in Europe
    By: Owen, H G
    Type: Article
    In: Bulletin of The British Museum (Natural History) Geology
    Volume: 44
    Date: 1988
    Page Range: 177--231
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