Zonaria petitiana

(Original description in Latin) The shell exhibits an ovate-pyriform shape, characterized by a somewhat turgid and thickened form.

It possesses a glossy surface and tapers towards both extremities, culminating in a slight beak.

The upper surface displays a chestnut-brown coloration, irregularly suffused with large, rounded white spots.

The lower surface appears flatter, displaying a flesh-colored tone.

The aperture is narrow, slightly sinuous, and exhibits a bluish-white coloration internally.