Elliptio tamaulipasensis (Crosse & P.Fischer, 1894) Dataset 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)