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  1. By: Segawa, S - Yang, Won Tack - Marthy, H.-J. - Hanlon, Roger T.
    Type: Article
    In: The veliger
    Volume: 30
    Date: 1988
    Page Range: 230--243
    Publication Info: Berkeley, CA, California Malacozoological Society,
  2. By: Marthy, H.-J.
    Type: Article
    In: Revue suisse de zoologie
    Volume: 75
    Date: 1968
    Page Range: 723--763
    Publication Info: Genève, Kundig [etc.],