Family Drilliidae
Bellaspira pentagonalis
(Dall, 1889)
Orange-rib Drillia
Shell size to 4 mm; shell turreted, with spire occupying about 2/3 shell length. Sculpture of about 6-7 rounded axial ribs. Aperture elongate, with notch on posterior (apical) end. Anterior canal short. Color white with large yellowish spots.