Pseudoconch transparent, yellowish, oval, both poles nearly equal in shape. Aperture of cavity not reaching middle of pseudoconch. Small tubercles on pseudoconch irregularly distributed, absent on ventral side. At aboral side tubercles are smaller than elsewhere. Margin of swimming disc situated close to ventral pseudoconch border. Proboscis prominent. Mantle gland with two complete and one incomplete transparent transverse bands; asymmetrical; left part is more developed than right. Pseudoconch length 39 mm, swimming disc diameter 30 mm.