Monoplacophora is a class of mollusks thought to be extinct until 1952, when a living animal was dredged up from deep marine sediments. They have a single, flat, bilateral shell that is often thin and fragile. About two dozen living species of monoplacophorans have now been discovered, all living in deep sea trenches.
Monoplacophora
Information from Wikipedia about this class of mollusks, thought until recently to be extinct, their description and classification.
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Last update:
January 29, 2012 at 10:35:03 UTC
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