An exceptionally fine complete adult internal mould with 5 whorls fully developed on both sides. The body chamber is uncrushed exceptional for this species), occupies 1/2 a whorl and shows part of the peristome on one side. Sutures including the last are visible on both sides, the last few are approximated and the umbilical seam uncoils strongly.Possibly from Scarborough, Yorkshire.
Size: 49mm diameter
Size: 49mm diameter