16 Phorcus lineatus

16 Phorcus lineatus

Top: vertical mouth starting to open by outward movement of lateral lips.
Middle: dorsal and ventral lips stretched out as diagonal corner-slits open out to form approximately rectangular opening.
Bottom: odontophore bearing radula being thrust out.
Shell height 10.1mm, breadth 12.8mm. W. Anglesey, March 2014.