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Pacific Razor Clam

(Siliqua patula)



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1 Comment

Hema 4 years ago

Is this a clam or a brachiopoda?
Brachiopoda look a little like clams, with two shells on the outside. Upon closer inspection of the shells, however, each half is symmetrical and but is different from the other half. Bivalves do not have symmetrical shells and the two shells do mirror each other. Brachiopods also hold onto the ground with a muscular foot called a pedicle while mollusks use a thread-like structure. And, of course, brachiopods have a lophophore and mollusks do not. Brachiopods are also called lamp shells.

Spotted by

California, USA

Spotted on May 28, 2016
Submitted on May 28, 2016

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