Lucina sp.(80409)
Lucinid bivalves typically reside in U-shaped tubes built of sand and mucus. They have symbiotic sulfur-oxidizing bacteria in their gills that enable them to live at deeper sedimentary depths than most bivalves; up to 6x the diameter of the shell. They also have a muscular foot that can probe up to 3 body lengths deep into the sediment below their burrow.
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