Clathrodrillia solidaClathrodrillia solida, common name the solid drillia, is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.DescriptionThe color of the shell is deep chocolate-brown. Its longitudinal ribs are separated by wider interspaces, crossed by revolving raised lines, forming granules. It is smooth and slightly concave above the periphery, with a raised line next the suture. The shell grows to a length of 19 mm.DistributionThis marine species occurs in the Caribbean Sea, the Gulf of Mexico and in the West Indies.