One side and the venter of a very fine large almost complete adult. The last 1/5 whorl is body chamber which probably extended over another 3/4 whorl. It shows the charcteristic cadicone for, the smooth outer whorl, and the very deep open umbilicus showing 4 whorls with steep sides & sharp edges. From Jameson Land, E Greenland.
Size: 164 mm
Size: 164 mm