3.92 x 3.92 mm; whorls 5, the first whorl somewhat eroded, the 2 following whorls bicarinate, the penultimate and bodywhorl more or less tricarinate. The body whorl is sculptured with 24 spaced spiral striae with microscopic vertical striae in the interstices. The fourth, sixth and eighth striae below the suture on the body whorl are larger than the others. Hab. St. Thomas. The fig. shows prominent carinae, a thick round outer lip, and 10 spirals above the suture. — At Bonaire 3 specimens collected at a depth of 5-45 m (ZMA, leg. RM); 1 shell labelled Curacao (ZMA).