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From Wikipedia, the free encyclopedia
An specimen of the brachiopod Liospiriferina rostrata. Brachiopods filtered plankton, using a specialized, spiral-shaped organ called a lophophore. This specimen is about 35 × 30 mm in size and dates back to the Pliensbachian age of the Jurassic period in France.
Photo credit: Didier Descouens
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