Caecum multicostatumCaecum multicostatum is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Caecidae.DistributionCaecum Multicostatum can be found in the Caribbean Sea, Gulf of Mexico, and VenezuelaDescriptionThe maximum recorded shell length is 4.2 mm.HabitatMinimum recorded depth is 2 m. Maximum recorded depth is 46 m.