Physa fontinalis
Systematics :
Kingdom: Animals (Animalia)
Phylum: Molluscs (Mollusca)
Class: Snails (Gastropoda)
Order: Pulmonata
Suborder: Basommatophora
Family: Physidae
Genus: Physa
Species: Physa fontinalis
Other names: rund blæresnegl
Norwegian name: Buttblæresnegl