Andaman and Nicobar islands are known for their rich biodiversity on land and in sea. There are several biodiversity components which are unique to these islands. It is no wonder that the terrestrial and marine ecosystems of the islands are the recognised in the global zooecoregions. One of the important biota of the marine ecosystem is mollusca, which includes several well known shells. These are souvenirs within easy reach of any one and easy to collect. The ...
