Monodonta glabrata
Monodonta glabrata is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails. Description. The height of the shell attains 15 mm, its diameter 13 mm. The thick, smooth shell has a globose-conical shape. It is dark green, becoming black at times up to the apex and paler to the periphery. The shell contains seven convex whorls. The rounded-ovate aperture is large. The inner lip is sulcate. The columellar tooth is sharp and sulcate. Distribution. This marine species occurs off China.