■Definitions of Types of Symbioses
■ Significance of Understanding Symbionts of Marine Molluscs
■ An Analysis of the Factors Involved in Symbiosis
■ Parasites of Commercially Important Marine Molluscs: The Phylum Protozoa
■ Parasites of Commercially Important Marine Molluscs: The Phyla Porifera, Cnidaria and Platyhelminthes
■ Parasites of Commercially Important Marine Molluscs: The Phyla Nemertinea, Aschelminthes and Annelida
■ Parasites of Commercially Important Marine Molluscs: The Phylum Mollusca
■ Parasites of Commercially Important Marine Molluscs: The Class Crustacea
■ List of Commercially Important Marine Molluscs and their Known Parasites