The head has two cephalic tentacles; nearly linear with a bluntly pointed tip (subulate) when dry (1), and conical when swollen with water (2). When not fully extended, they are contracted, becoming annulated in the basal half (3), not retracted by inversion into the body.
There is an internal black eye within the posteromesial base of each tentacle.
Shell height 5 mm. Specimen immersed in water (left) and in air (right). Menai Strait, Wales. April 2018.
19 Myosotella myosotis form denticulata.
