Mollusca: Class Polyplacophora

This class contains about 600 species of sedentary animals commonly known as chitons, marine forms found from shallow waters to depths of about 1,300 ft (400 m). A chiton has a broad foot and a shell consisting of eight overlapping plates.

Sections in this article:

• Introduction
• Class Cephalopoda
• Class Scaphopoda
• Class Bivalvia
• Class Gastropoda
• Class Monoplacophora
• Class Polyplacophora
• Class Aplacophora
• Reproduction
• Circulatory and Nervous Systems
• Respiration
• The Digestive Tract
• The Shell
• The Body Wall
• Anatomical Features

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