Notes on Mollusca (Snail) | Zoology
The below mentioned article provides notes on Mollusca (snail). The molluscs (mollis = soft) are soft-bodied animals with a hard external or internal shell. The phylum includes forms like chitons, snails, slugs, clams, oysters, sepia, loligo, octopus, etc. Generally aquatic, some terrestrial and amphibious forms are also present. In Mollusca A muscular foot is present as the thickening of the [...]