Scientific name: Tonicella rubra Norwegian: marmorleddsnegl Characteristics: T. rubra reaches a length of 21 mm, considerably smaller than the similar T. marmorea. The the slightly narrower mantle is covered by oval granules. The shell makes approximately 75% of the animals width. The mantle is often banded with red/pink and orange/yellow bands.

Description (abridged). Up to 15 x 9 mm in the North Atlantic; dorsal elevation ratio = 0.29. Valves beaked, girdle narrow. Tegmentum appears smooth, with growth lines clearly visible under magnification. Colour orange to pinkish, generally with small reddish-brown blotches.

Common name: Atlantic red chiton Scientific name: Tonicella rubra Locations: 'pink' zone of encrusting coralline algae at the low water mark on sides / bottoms of rocks