Turritella communis
Systematics :
Kingdom: Animals (Animalia)
Phylum: Molluscs (Mollusca)
Class: Snails (Gastropoda)
Subclass: Prosobranchia
Order: Mesogastropoda
Family: Turritellidae
Genus: Turritella
Species: Turritella communis
Norwegian name: Tårnsnegl