Cuvier, 1798
The pallial gills are branched, often arborescent. The anus is situated approximately half way back along the right side of the body.
The two digestive gland lobes are fused so as to form a single mass in the adult.
The penis is simple and conical.
Source: Thompson, 1988.
The following species occur in the region:
Tritonia hombergi
Tritonia lineata
Tritonia plebeia