Subfamily Vianinae Baker 1922 (snail)
Gastropoda - Cycloneritida - Helicinidae
Parent taxon: Helicinidae according to P. Bouchet et al. 2005
Sister taxa: Ceratodiscinae, Dimorphoptychiinae, Helicininae, Hendersoniinae, Stoastomatinae
Subtaxa: Viana
Type: Viana
Ecology: epifaunal
Distribution: there are no occurrences of Vianinae in the database