? sordidus I.Lea, 1852 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Mollusca class Bivalvia order Unionida family Unionidae genus Elliptio species Elliptio congaraea Name Homonyms ? sordidus Dodd, 1914 ? sordidus Scudder, 1893 ? sordidus Eyton, 1845 ? sordidus Ashmead, 1900