Eutrochatella tankervillii is a species of tropical land snail with an operculum, a terrestrial gastropod mollusk in the family Helicinidae. The specific name tankervillii is in honor of Charles Bennet, 4th Earl of Tankerville. Distribution Jamaica. Description Circulatory system: The osmotic pressure of the hemolymph of Eutrochatella tankervillii is 67 mOsm. References External links Helicinidae Taxa named by John Edward Gray