? dorsatus I.Lea, 1868 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Mollusca class Bivalvia order Unionida family Unionidae genus Elliptio species Elliptio congaraea Name Homonyms ? dorsatus Melichar, 1905 ? dorsatus Roemer, 1836 ? dorsatus Ameghino, 1904