Translucent white cerata have a pale brown digestive gland granulated with a darker shade. Four, single, large cerata on each side of the body. The first ceras on each side is opposite the other; the rest alternate in position.
1: brown, zigzag, left digestive gland.
2: short, right digestive gland.
Length 2.8 mm, Menai Strait, Wales, March 2011.