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  1. By: Colbert, Edwin H. - Charig, Alan, - Dodson, P - Gillette, David D - Ostrom, John H. - Weishampel, David B.,
    Type: Article
    In: The Bulletin of zoological nomenclature
    Volume: 49
    Date: 1992
    Page Range: 276--279
    Publication Info: London International Trust for Zoological Nomenclature
  2. By: Weishampel, David B., - Norman, D B - Grigorescu, Dan
    Type: Article
    In: Palaeontology
    Volume: 36
    Date: 1993
    Page Range: 361--385
    Publication Info: London, Palaeontological Association, 1957-