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  1. By: McAndrews, John H. (John Henry), - Berti, Albert A. - Norris, Geoffrey. - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1973
    Holding Institution: Royal Ontario Museum
  2. By: Mao, Shaozhi, - Norris, Geoffrey. - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1988
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
  1. By: Norris, Geoffrey.
    Type: Article
    In: Palaeontology
    Volume: 12
    Date: 1969
    Page Range: 574--620
    Publication Info: London, Palaeontological Association, 1957-