Liotina tantillaLiotina tantilla is a species of small sea snail, a marine gastropod mollusk, in the family Liotiidae.DescriptionThe small, thick, white shell has a discoid shape and is deeply umbilicate. It contains 3½ convex whorls with concentric, grooved furrows. The last whorls has a rounded shape at the periphery. The umbilicus is of a moderate size. The aperture is circular.DistributionThis marine species occurs off Japan.