At cold seeps and hot vents. The specimens live buried in the sediment but with the posterior part (2/3 of shell length) free, they are inclined at about 50° to the sediment surface and are capable of moving around by means of their large muscular foot, leaving short tracks in the sediment.
- COAN E.V., SCOTT P.V. & F.R. BERNARD (2000) in COAN E.V., SCOTT P.V. & F.R. BERNARD (Eds.) Bivalve Seashells of Western North America: 336-343.
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