Sphaerium corneum
Systematics :
Kingdom: Animals (Animalia)
Phylum: Molluscs (Mollusca)
Class: Bivalve mollusc (Bivalvia)
Subclass: Heterodonta
Family: Sphaeriidae
Genus: Sphaerium
Species: Sphaerium corneum
Other names: kulemusling
Norwegian name: Storkulemusling