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  1. By: Hockey, Par - Bosman, Alison L. - Ryan, Peter G
    Type: Article
    In: The veliger
    Volume: 30
    Date: 1987
    Page Range: 5--10
    Publication Info: Berkeley, CA, California Malacozoological Society,
  2. By: Bosman, Alison L. - Hockey, Par - Underhill, Leslie G.
    Type: Article
    In: The veliger
    Volume: 32
    Date: 1989
    Page Range: 120--129
    Publication Info: Berkeley, CA, California Malacozoological Society,