A. W. B.  Powell, ?New Species of New Zealand Mollusca from Shallow-water Dredgings.?, Transactions and Proceedings of the New Zealand Institute, vol. 60, pp. 532-543, pls.60-62, 1930.

, ?Results of Dredging on the Continental Shelf of New Zealand.?, Transactions and Proceedings of the New Zealand Institute, vol. 38, pp. 278-308, pls.21-28, 1906.