Phrikoceros lizardensis is named in honour of the Lizard Island Research Station in Australia.
Usually with deep ruffles. Body mottled brown or olive with white dots forming irregular bars perpendicular to the body edge. Margin comprises fine white outer edge with fine black inner edge. Underside is uniformly pale with a wide brownish margin. It has a pair of erect pseudotentacles on the front of the worm made up of folded edges of the body. Tips of the pseudotentacles are white.Can swim by undulating its body edges.