Pincerna

• Pincerna liratula

  The shell is globose, with rounded whorl peripheries and an open umbilicus. The aperture is circular and moderately expanded, with a thickened double rim and no interspace. The operculum has a cup-like calcareous projection at the centre of its exterior. It lives on shrubs close to the ground in forested limestone hills. It is known from central and southern Kelantan, Malaysia.