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  1. By: Clarke, R F A
    Type: Article
    In: Palaeontology
    Volume: 8
    Date: 1965
    Page Range: 322--354
    Publication Info: London, Palaeontological Association, 1957-
  2. By: Clarke, R F A
    Type: Article
    In: Palaeontology
    Volume: 8
    Date: 1965
    Page Range: 294--321
    Publication Info: London, Palaeontological Association, 1957-
  3. By: Chaloner, W. G. (William Gilbert) - Clarke, R F A
    Type: Article
    In: Palaeontology
    Volume: 4
    Date: 1962
    Page Range: 648--652
    Publication Info: London, Palaeontological Association, 1957-