R. G. B.  Reid and Brand, D. G., ?Some unusual renal characteristics of the bivalves Pteria penguin, Spondylus nicobaricus and Spondylus barbatus?, in The malacofauna of Hong Kong and Southern China. II Proceedings of the Second International Workshop on the malacofauna of Hong Kong and Southern China, Hong Kong, 6-24 April 1983, vol. 2, 2 vol., B.  Morton and Dudgeon, D., Eds. Hong Kong: Hong Kong University Press, 1985, pp. 513-518.

R. G. B.  Reid and Brand, D. G., ?Some unusual renal characteristics of the bivalves Pteria penguin, Spondylus nicobaricus and Spondylus barbatus?, in The malacofauna of Hong Kong and Southern China. II Proceedings of the Second International Workshop on the malacofauna of Hong Kong and Southern China, Hong Kong, 6-24 April 1983, vol. 2, 2 vol., B.  Morton and Dudgeon, D., Eds. Hong Kong: Hong Kong University Press, 1985, pp. 513-518.