10 Barleeia unifasciata The rather short, smooth cephalic tentacles are un-tapered cylindrical with a rounded distal tip. They are translucent whitish with a longitudinal, distinct yellow line, and a yellow swollen base bearing a large black eye.
Left The snout is predominantly black, apart from the yellowish bifid distal tip. Shell height 2.3 mm. Llŷn, North Wales. October 2009.
Right The snout is translucent, pale-yellowish overlaid by a fine spray of brown, except on its tip. Shell height 2.9 mm. Dorset, England. April 2016.