? vortex Linnaeus, 1758 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Mollusca class Gastropoda family Planorbidae genus Anisus species Anisus vortex Name Homonyms ? vortex Simpson, 1855 ? vortex d'Eichwald, 1856 ? vortex Gordon & Yochelson, 1987