Syntomodrillia iphisSyntomodrillia iphis is an extinct species of sea snail, a marine gastropod mollusk in the family Drilliidae.DescriptionThe length of the shell attains 6.3 mm, its diameter 2 mm.DistributionThis extinct species was found in Pliocene strata of Jamaica; age range: 3.6 to 2.588 Ma.