Margaron showalterii (I.Lea, 1860) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Unionida family Unionidae genus Pleurobema species Pleurobema hartmanianum Name Homonyms Margaron showalterii (I.Lea, 1860) Margaron showalterii (I.Lea, 1860)