Perry Drillia

Shell size to 10 mm; shell turreted, with spire occupying more than 2/3 shell length, whorls forming angles on periphery. Sculpture of about 7-8 rounded axial ribs. Spiral lines present only on anterior half of last whorl. Aperture elongate with posterior (apical) notch. Anterior canal short. Outer lip strongly curved, forming angle. Color white.