Littorina obtusata
Originator: Stein Mortensen
Systematics :
Kingdom: Animals (Animalia)
Phylum: Molluscs (Mollusca)
Class: Snails (Gastropoda)
Subclass: Prosobranchia
Order: Mesogastropoda
Family: Littorinidae
Genus: Littorina
Species: Littorina obtusata
Other names: butt strandsnegl, grisetangsnegl
Norwegian name: Buttstrandsnegl