A fine adult with test, developed on both sides showing the ribbing, tubercles & keel well. The body occupies at least 1/4 whorl, the umbilical seam shows uncoiling & continues or a further 1/2 whorl. Typical of macroconchs, the ribbing fades rapidly on the body chamber, leaving it smooth. From near Weymouth, England, UK.
Size: 97 mm
Size: 97 mm