06 Bittium reticulatum. Shell height 6.2 mm. Llŷn Peninsula, North Wales. March 2016.

06 Bittium reticulatum. Shell height  6.2 mm. Llŷn Peninsula, North Wales. March 2016.

Mouth is a subterminal, ventral slit when shut (1). Translucent white mantle protrudes as a lobed fringe from rim of aperture (2) .

marinvert.senckenberg.science/image-browse/