- Kingdom: Animalia
- Phylum: Mollusca
- Class: Polyplacophora
- Order: Chitonida
- Family: Mopaliidae
- 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. The valves are rounded with a moderate keel.
Habitat:
It is most frequent from lower shore to approximately 300 meters depth. As most chitons, it prefers rocky locations.
Distribution:
It is known from both Canada as well as the Arctic and North Europe, as far south as the British Isles.