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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Allison, Richard C
    Type: Article
    In: Palaeontology
    Volume: 8
    Date: 1965
    Page Range: 666--680
    Publication Info: London, Palaeontological Association, 1957-
  2. By: Allison, Richard C
    Type: Article
    In: The veliger
    Volume: 21
    Date: 1978
    Page Range: 171--188
    Publication Info: Berkeley, CA, California Malacozoological Society,