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·  Rehder, H.A. 1973. Indo-Pacific Mollusca, a monograph of the marine mollusks of the world, No. 16, Harpidae. pp 207-272.

·  Walls, J.G. 1980. Conchs, Tibias, and Harps. T.F.H. Publications, Inc., Neptune, NJ, U.S.A, 191 p.