1 Mollusca is the second biggest phylum in animal kingdom.

2 This article provides an overview of biogeochemistry of mollusca from Huaihe river and its application for water pollution control.

3 The species, quantity and ecological distribution of mollusca in intertidal zone of Quanzhou are reported.

4 Among 52 species of mollusca identified , 45 were gastropods, 7 were bivalves.

5 The species composition of mollusca were markedly difference in different sediment.

6 Zoobenthic community is an important part of estuarine ecosystem, which comprises a broad assemblage of diverse forms, mostly Mollusca and Polychaeta, Crustacea.

7 Ammonites are a group of marine animals of the subclass Ammonoidea in the class Cephalopoda , phylum Mollusca.

8 The food composition consisted of eight groups: diatom, protozoa, spongiaria, annelida, mollusca, crustacea, echinodermata and pisces.

9 The results indicated that there were twelve groups of soil fauna, Arthropoda, Mollusca, Annelida etc.