Leptadrillia parkeriLeptadrillia parkeri is an extinct species of sea snail, a marine gastropod mollusk in the family Drilliidae.DescriptionThe length of the shell attains 22.3 mm, its diameter 6.1 mm.DistributionThis extinct marine species was found in Pliocene strata of Jamaica; age range: 3.6 to 2.588 Ma