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How do lamp shells attach themselves to the sea floor?
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lamp shells
Lamp shells on the sea floor off the coast of Massachusetts.
Lamp shells, which are members of the phylum Brachiopoda, are sedentary marine invertebrates that typically attach themselves to the sea floor using a fleshy stalk known as a peduncle. This stalk extends from the animal's bivalve shell into the substrate, anchoring the organism in place.12