A fine large internal mould, developed on both sides; mainly phragmocone showing sutures with just the beginning of the body chamber. The continuation of the umbilical seam indicates the former presence of a further 1/2 whorl. A typical variant with the ribbing fading out over the last 1/2 whorl. From Warboys (Hunts) Cambridgeshire, UK.
Size: 142 mm
Size: 142 mm