Drillia albicostataDrillia albicostata is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.DescriptionThe shell grows to a length of 22 mm. The shell is rose-colored, the longitudinal ribs are white, close-set. There is no spiral sculpture. The aperture is callous above. The anal sinus is rather deep.DistributionThis species occurs in the demersal zone of the Pacific Ocean off the Galapagos Islands.