形態特徵:Shell, minute, subtranluscent, fragile, oval-conic with apex, blunt. Mature whorls, 3-4 with body whorl, large, inflated; sutures, impressed. A few ribs, narrow, short on the body whorl; color, pale white but reddish brown at bottom.
棲所環境:At 92 meters depth of Three Kings Islands, New Zealand is the fatherland. It is also found as beach drift at Lutao, Taiwan.