Viviparus viviparus
Systematics :
Kingdom: Animals (Animalia)
Phylum: Molluscs (Mollusca)
Class: Snails (Gastropoda)
Subclass: Prosobranchia
Order: Mesogastropoda
Family: Viviparidae
Genus: Viviparus
Species: Viviparus viviparus
Norwegian name: Stor ferskvannsgjellesnegl
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