Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
A division of gastropod Mollusca, including the chitons. Theback is covered by eight shelly plates. Called also Polyplacophora.See Illust. under Chiton, and Isopleura.
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
