24 Littorina compressa. 9.1mm high. Anglesey, March 2014.

24 Littorina compressa. 9.1mm high. Anglesey, March 2014.

Sole of foot pure white, medial line divides into left and right halves, many transverse wrinkles. Silver-white radula visible in open mouth. Snout black dorsally, translucent whitish laterally. Tentacles translucent and unpigmented ventrally.