A superb complete adult, intermediate in the range of inflation, developed on both sides and showing 5 whorls with a deep umbilicus. The smooth body chamber is mainly internal mould, occupies 3/4 whorl, shows uncoiling of the umbilical seam, has a strong terminal constriction and an almost complete peristome. A small part of the body chamber is missing on one side revealinf ribbing on the phragmocone. From Jameson Land, E. Greenland.
Size: 73 mm
Size: 73 mm