Height 125 mm, breadth 120 mm. Shell trochoid, rather thin, with moderately inflated spires shouldered at selenizone. Earlier whorls cancellated with spiral and axial riblets, but later whorls with several spiral grooves that cut crowded, raised growth lirae. Inclination of growth lirae different amog subsutural ramp, within selenizone and below that. Reddish flames on yellowish background coordinate with their inclinations. Basal periphery angulated. Base weakly inflated, with regular 20 or more spiral grooves. Umbilicus widely open, umbilical walls of upper whorls visible inside. Anal slit very long reaching about the half of diameter of the body whorl. Aperutre subquadrate, with thin outer lip. Columellar lip slightly inclined, but never twisted.
Distribution:
Off Key West, Florida, Bermuda, Lesser Antilles and off Suriname. Upper shelf to slope.