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  1. By: Nitecki, Matthew H. - Johnson, Markes E. - Field Museum of Natural History.
    Publication info: Chicago, Field Museum of Natural History, 1978
    Holding Institution: University Library, University of Illinois Urbana Champaign
  1. By: Johnson, Markes E.
    Type: Article
    In: Palaeontology
    Volume: 22
    Date: 1979
    Page Range: 549--567
    Publication Info: London, Palaeontological Association, 1957-
  2. By: Beadle, Steven C - Johnson, Markes E.
    Type: Article
    In: Palaeontology
    Volume: 29
    Date: 1986
    Page Range: 585--601
    Publication Info: London, Palaeontological Association, 1957-
  3. By: Johnson, Markes E. - Mckerrow, W S
    Type: Article
    In: Palaeontology
    Volume: 38
    Date: 1995
    Page Range: 529--541
    Publication Info: London, Palaeontological Association, 1957-