Unio cuneatus Barnes, 1823 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Unionida family Unionidae genus Epioblasma species Epioblasma triquetra Name Homonyms Unio cuneatus Barnes, 1823 Unio cuneatus Jacquemin, 1835 Unio cuneatus Swainson, 1823 Unio cuneatus Žagar-Sakač, 1987