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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Waterston, C. D.
    Type: Article
    In: Palaeontology
    Volume: 3
    Date: 1960
    Page Range: 245--259
    Publication Info: London, Palaeontological Association, 1957-
  2. By: Waterston, C. D.
    Type: Article
    In: Palaeontology
    Volume: 5
    Date: 1962
    Page Range: 137--148
    Publication Info: London, Palaeontological Association, 1957-