Douglassia bealianaDouglassia bealiana, common name Beal's drillia, is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.This species was renamed Drillia bealiana by E.C. Rios in 1994.DescriptionThe size of an adult shell varies between.DistributionThis species occurs in the demersal zone of the Atlantic Ocean from Florida to North Brazil at depths between.