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  1. By: Allmon, Warren D
    Type: Article
    In: Malacologia
    Volume: 54
    Issue: 1-2
    Date: 2011
    Page Range: 159--202
    Publication Info: [Ann Arbor Institute of Malacology] 1962-
  2. By: Allmon, Warren D - Nieh, James C - Norris, Richard D
    Type: Article
    In: Palaeontology
    Volume: 33
    Date: 1990
    Page Range: 595--611
    Publication Info: London, Palaeontological Association, 1957-