15mm (but often much smaller). Narrowly high spired with pointed, glossy protoconch of about 4 whorls. Spire whorls bear strong -not lamellate - ribs (about 15 on last whorl) which are highest mid-whorl; usually a strong varix every third whorl. Last whorl has 2 keels. Shallow excavations at sutures. Entire surface of spire has spiral rows of minute, contiguous pits. Umbilicus minute. White. Habitat: offshore and beached. Distribution:
Persian Gulf, Gulf of Oman.