R. I.  Johnson, ?The Recent Mollusca of Augustus Addison Gould: Illustrations of the types described by Gould with a bibliography and catalog of his species?, Smithsonian Institution, United States National Museum. Bulletin, vol. 239, 1964.

T.  Habe, Shells of the Western Pacific in color, 1st ed., vol. 2. Osaka: Hoikusha Publishing Co., Ltd., 1964.

K. H.  Barnard, ?Contributions to the knowledge of South African marine Mollusca. Part 5. Lamellibranchiata?, Annals of the South African Museum, vol. 47, pp. 361-593, 1964.

R. I.  Johnson, ?The Recent Mollusca of Augustus Addison Gould: Illustrations of the types described by Gould with a bibliography and catalog of his species?, Smithsonian Institution, United States National Museum. Bulletin, vol. 239, 1964.