This species has a deep groove along the sides between the wide flap of the dorsum and the wide flap of the foot. Here the groove on the left side can be clearly seen as the animal turns.
This species has its anus on a prominent papilla on the right side, in a groove between the flaps of the dorsum and the foot. The view above shows the groove on the right side of the animal, with the anus to the left (posterior) and the gonopore to the right (anterior)