Benthonellania acuticostataBenthonellania acuticostata is a species of small sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae.DistributionThis species occurs in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles.DescriptionThe maximum recorded shell length is 3.7 mm.HabitatMinimum recorded depth is 59 m. Maximum recorded depth is 1249 m.