
Family Pholadidae are the piddock clams, which bore into shale, clay, or firm mud. Much of the anterior portion of the shell is roughened so that the animal can rasp a hole in the rock or clay much like an augur bit.
Similar species: Myida
By morpheme
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Uploaded Jun 5, 2015. Captured Jun 4, 2015 12:46 in Five Mile Drive, Tacoma, WA 98407, USA.
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