The study of fauna and distribution of mollusc in the intertidal zone of daya bay

Because their lower ability of movement, mullusc in the intertidal zone are always studied as an indicator of the relationship between organisms and environment. From 1987-1999 mullusc in the intertidal zone were collected. 242 species of mollusc .belonging to 60 families, are recognized, 3 species belonging to Amphineara. 117 species belonging to Lamellibranchia, 122 species belonging to Gastrpda. The results show that tropical and subtropical warm water species distributed in the East China Sea and the South China sea are the major species in fauna of mullusc on intertidal zone of Daya Bay.