Acc. to Bartsch: Shell 2.1 x 0.9 mm; 2 + 5 w.; shell golden brown, except the apex, which is white; 3 spiral cords; on the penultimate whorl 24 ribs. Bermuda. — The suture is more distinct than it is in C. lata. The species is variable in size like C. iota. Our smallest specimens measure 1.6 x 0.7 mm, 2 + 4 w.; the largest 3.2 x 1.3 mm, 2 + 6 w. About 20 specimens collected at Aruba's west coast