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  1. By: Pocock, Yvonne P
    Type: Article
    In: Palaeontology
    Volume: 9
    Date: 1966
    Page Range: 381--412
    Publication Info: London, Palaeontological Association, 1957-
  2. By: Pocock, Yvonne P
    Type: Article
    In: Palaeontology
    Volume: 11
    Date: 1968
    Page Range: 64--93
    Publication Info: London, Palaeontological Association, 1957-