Lymnaea stagnalis
Systematics :
Kingdom: Animals (Animalia)
Phylum: Molluscs (Mollusca)
Class: Snails (Gastropoda)
Order: Pulmonata
Suborder: Basommatophora
Superfamily: Lymnaeoidea
Family: Lymnaeidae
Genus: Lymnaea
Species: Lymnaea stagnalis
Other names: stor damsnegl
Norwegian name: Stordamsnegl