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  1. By: Edwards, Dianne - Richardson, John B
    Type: Article
    In: Palaeontology
    Volume: 17
    Date: 1974
    Page Range: 311--324
    Publication Info: London, Palaeontological Association, 1957-
  2. By: Richardson, John B - Rodriguez, Rosa M - Sutherland, Stuart J E
    Type: Article
    In: Bulletin of the Natural History Museum. Geology series
    Volume: 57
    Date: 2001
    Page Range: 115--162
    Publication Info: Andover, Intercept,
  3. By: Burgess, Neil D. - Richardson, John B
    Type: Article
    In: Palaeontology
    Volume: 34
    Date: 1991
    Page Range: 601--628
    Publication Info: London, Palaeontological Association, 1957-
  4. By: Richardson, John B - Bonamo, P. M. (Patricia M.) - Mcgregor, D Colin
    Type: Article
    In: Bulletin of the British Museum (Natural History) Geology
    Volume: 49
    Issue: 2
    Date: 1993-11-25
    Page Range: 121--155
    Publication Info: London, BM(NH),