A fine adult developed on both sides with 7 whorls retaining most of the test except on the body chamber on one side. Though no sutures are visible the body chamber occupies at least the last 1/2 whorl and shows slight uncoiling of the umbilical seam. The keel and the strong tuberculate ribbing show well. From England, UK.
Size: 68 mm diameter
Size: 68 mm diameter