Family: Discidae

Norwegian name: Diskossnegler

Systematics :

KingdomAnimals (Animalia)
Phylum Molluscs (Mollusca)
Class  Snails (Gastropoda)
Order   Pulmonata
Suborder    Stylommatophora
Family     Discidae
Genus      Discus
Species       Rotund disc (Discus rotundatus)
Species       Discus ruderatus