Marine gammaridean Amphipoda (Malacostraca) from Hong Kong I. the family Corophiidae, genus Corophium - Hirayama, A. (In: Morton B, editor. Proceedings of the Second International Marine Biological Workshop: The Marine Flora and Fauna of Hong Kong and Southern China. The Marine flora and fauna of Hong Kong and southern china I. Hong Kong University Press, Hong Kong, 1990)