Polyplacophora Mollusca Animalia Flora and Fauna

Polyplacophora includes 800 species of chitons, or coat-of-mail molluscs. Chitons have elongate, bilaterally symmetrical, dorsoventrally flattened bodies with an oval outline. The shell covers most of the dorsal surface and consists of eight overlapping calcareous plates. Chitons are adapted for life attached to hard surfaces on turbulent shores although many live in quieter deeper water.

• Gallery of Chitons - Photographs by world region and information about the morphology, ecology, mollusca and distribution of modern polyplacophorans.
• Katharina tunicata: Katy Chiton - Information from the Invertebrate Anatomy OnLine about this mollusc, its systematics, external anatomy, internal anatomy and behavior.

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