Lateral chamfer on foot narrows at posterior so tip flat (often concave); marked with about six, characteristic, short yellow streaks.
Height (longest shell-dimension) 9.5 mm. Menai Strait, Wales. March 2014.
Lateral chamfer on foot narrows at posterior so tip flat (often concave); marked with about six, characteristic, short yellow streaks.
Height (longest shell-dimension) 9.5 mm. Menai Strait, Wales. March 2014.