- Kingdom: Animalia
- Phylum: Mollusca
- Class: Gastropoda
- Subclass: Caenogastropoda
- Order: unassigned
- Superfamily: Cerithioidea
- Family: Turritellidae
- Scientific name: Turritella communis
- Norwegian: tårnsnegl
Characteristics:
The tower shell is easily recognized long and slender conical shape and the 16-20 windings. Three distinct ridges can be seen on each winding. The shell can reach a length of 6 cm. The color is grey or brown.
Habitat:
Can be found on any depth, from the subtidal zone and down to 220 meters. It thrives on soft substrate.
Distribution:
It is widespread along the east coasts of the Atlantic Ocean, from North Africa and the Mediterranean to Lofoten, Norway.