400 mm. All spire except for last three whorls, is depresse d, almost flat, giving a truncated effect; spirally corded and fine, axial cords. Whorls with angular, coarse, large knobs on shoulder; body whorl has especially large hump on high point of dorsum and other smaller humps and knobs. Lip has six, rather open spines; deep, wide stromboid notch has crenulated edge. Siphonal spine is as long as average spine, a little reflected backward and toward aperture. Heavily callous, smoth columella and canals pink; darker on parietal area.
Distribution: Mactan, Bantayan Island, Samar