The Molluscs are a Phylum of invertebrates. Molluscs are the second most numerous (in terms of species) animals on the planet, the arthropods are the most numerous. Molluscs are soft bodied organisms but some, snails for example, have a hard shell.
Slugs and snails are some of the most well known molluscs and they belong to the Class Gastropoda within the Phylum Mollusca.
The garden snail (Helix aspersa).
Other names for (or types of) Mollusc include:
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