Snail Fossil Skull
Molluscs are animals like mussels, clams, snails, slugs, cuttlefish and octopus. They include extinct creatures such as ammonites and belemnites. Molluscs are a hugely diverse group of animals. Although they look very different, they have a common basic body structure. They have soft bodies, and a muscular ‘foot’ to help them move. Many molluscs also have a hard shell.
Almost one in four of all animals that live in the sea belong to this group including most of the common shells we find on the shore today. Although most molluscs live in the sea, some are land dwellers such as the snail and slug.