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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Neuman, Robert B - Bates, D. E. B. (Denis Edwin Beeching)
    Type: Article
    In: Palaeontology
    Volume: 21
    Date: 1978
    Page Range: 571--613
    Publication Info: London, Palaeontological Association, 1957-