- Kingdom: Animalia
- Phylum: Mollusca
- Class: Polyplacophora
- Order: Chitonida
- Family: Callochitonidae
- Scientific name: Callochiton septemvalvis
- Norwegian: flekket leddsnegl
Characteristics:
The C. septemvalvis can be identified by the white ribbons in each corner of the shell. Older individuals get more ribbons until they frame the entire shell. Juveniles usually have a bright red color that tends to turn green or brown on adults. This chiton can grow to a length of 3 cm.
Habitat:
It thrives on rocky substrate, usually on shallow water, but has been registered as deep as 500 metres.
Distribution:
All Atlantic coasts of Europe from Nordland, Norway in the north to the Mediterranean and the Red Sea in the south.

