Key Identification Features
- It can be identified by a distinctive green ring around the foot at the base of its shell.
- Below the perforations lies a distinct spiral channel or furrow, bounded below by a more or less distinct row of nodules.
- The large, distinct muscle impression is roughened all over, and its brilliant coloration resembles fine mosaic work.
- The shell surface is covered with uneven, often very indistinct spiral cords, plus strongly elevated undulations or lumps.
For instant identification in the field, use the iNature app — AI-powered, works offline.
