Pseudunela viatoris is a species of sea slug, an acochlidian, a shell-less marine gastropod mollusk in the family Pseudunelidae.
[2] Pseudunela viatoris is known from Viti Levu, Fiji and Gili Lawa Laut, Indonesia.
[2] The type locality is Fiji, Viti Levu, Laucala Bay, Nukumbutho Island, GPS: 18°10.47′S, 178°28.34′E.
[2] The densely ciliated foot is as broad as the anterior head-foot complex and extends about one third of the elongated visceral hump.
[2] The heart bulb is visible externally in the anterior part of the visceral hump on the right body side.