Unio tumidus okae Kobelt & Haas, 1911 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 okae Kobelt & Haas, 1911 Unio tumidus var. okae Kobelt, 1911