Helix borealis Möllendorff, 1888 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Stylommatophora family Trochomorphidae genus Videnoida species Videnoida borealis Name Homonyms Helix borealis Mousson, 1859 Helix borealis Möllendorff, 1888