An exceptionally fine complete adult internal mould fully developed on both sides with test on the phragmacone. A typical variant. The last suture is visible and the body chamber occupies 2/3 whorl, retains faint ribbing, shows strong uncoiling of the umbilical seam, and has a terminal constriction and complete peristome. from Jameson Land, East Greenland.
Size: 56 mm
Size: 56 mm