The anterior dorsum is perforated. On the outer surface, you’ll find radial ribs, while the inner surface is smooth. In terms of color, there are uneven brown to reddish-brown patterns on a white or whitish-creamy background on the outer surface, whereas the inner surface is predominantly white. The shell is diminutive and has a rectangular-ovate shape, appearing concave and flattened. It’s decorated with clear radiating ridges, and in the anterior third, there is a small rectangular hole.