34 Lacuna vincta COMPARE Lacuna crassior

34 Lacuna vincta COMPARE Lacuna crassior

L. crassior shell has wide white columellar shelf with no groove or umbilicus (1). Aperture occupies about 30% of area in apertural view.
Shell height 3.1 mm, Menai Strait, August 2013.
Full SPECIES DESCRIPTION: flic.kr/p/gTkfF4
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