Lucinoma aequizonatum (Stearns, 1890)
Trawled at 174 meters in muddy sediment, H2S cold seep, 34.1256N 120.1507W, Santa Barbara Basin, California, USA (43.2 mm.). Col. benthic trawl, 6/17/1995. Image copyright 2016 by Simon Aiken and used with permission.