Kingdom of the Seashells Molluscs are found in a wide variety of habitats, from the deepest ocean basins to the highest mountain tops, and there is great diversity of form not only among classes but also among species of the same family. Contents: 1. Shells and Man 2. Ancient Sea 3. Phylum Mollusca 4. Bivalves 5. Volutes, Olives, and Mitres 6. Cowries 7. Cones and Angers 8. Murexes 9. Diversity 10. References