The members of the class polyplacophora are commonly known as chitons, and are characterized by possessing 8 shells, and cling tightly to surfaces, grazing on algae and other encrusted nutritious material in their surroundings. Our rocky coasts are home to many chiton species.
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Stenoplax conspicua (Pilsbry, 1892)
San Diego, California. © R. J. Waayers
Lepidozona mertensii (von Middendorff, 1847)
Trinidad, California. © R. J. Waayers