Complete adult internal mould showing the fine ribbing well. Last suture is visible and thwe body chamber occupies 7/8 whorl, shows rapid uncoiling of the umbilical seam over the last 1/2 whorl and has a double terminal constrictionand a collar with a prominent ventral flare. The peristome is virtually complete. From Milborn Wick, Dorset.
Size: 45 mm
Size: 45 mm