Unio tumidus borysthenensis Kobelt, 1880 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Unionida family Unionidae genus Unio species Unio tumidus Name Homonyms Unio tumidus borysthenensis Kobelt, 1880 Unio tumidus var. borysthenensis Kobelt, 1880