Vertigo angustior
Originator: Frode Falkenberg
Systematics :
Kingdom: Animals (Animalia)
Phylum: Molluscs (Mollusca)
Class: Snails (Gastropoda)
Order: Pulmonata
Suborder: Stylommatophora
Family: Vertiginidae
Genus: Vertigo
Species: Vertigo angustior
Norwegian name: Smalknøttsnegl
Norwegian Red List (2021): Near Threatened