C. M.  Yonge, ?Form and habit in species of Malleus (including the "hammer oysters") with comparative observations on Isognomon isognomon?, The Biological Bulletin, vol. 135, pp. 378-405, 1968.

C. M.  Yonge, ?Form and habit in species of Malleus (including the "hammer oysters") with comparative observations on Isognomon isognomon?, The Biological Bulletin, vol. 135, pp. 378-405, 1968.