Elliptio tamaulipasensis (Crosse & P.Fischer, 1894) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Unionida family Unionidae genus Sphenonaias species Sphenonaias taumilapana Name Homonyms Elliptio tamaulipasensis (Conrad, 1855) Elliptio tamaulipasensis (Crosse & P.Fischer, 1894)