Stomatella callosaStomatella callosa is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.DescriptionThe length of the shell attains 11 mm, its diameter 7 mm. The complanate shell is ovate, elongated, transversely delicately striate and contains two whorls. The apex is somewhat prominent. The oblong aperture is ear-shaped. Its right lip is simple, somewhat excavated in the middle. The columella is margined, strong, thickened, callous and provided with a tooth-like tubercle. The margins are continuous and joined by a callus.DistributionThis species occurs in the Red Sea.