Female with ovipositor (1). Eye (2) on anterior of pinkish-white patch , with patch of dark shading just in front of it on tentacle.
Black subterminal bands on cephalic tentacles (3).
Left tentacle; thicker, shorter, and enlarged cilia give serrated look (4). Shell height 6.5 mm. Upper Dee Estuary, Flintshire. August 2011.