sourceTaxonName: Leptodea fragilis (Rafinesque, 1820)
sourceTaxonPath: Animalia | Mollusca | Bivalvia | Unionida | Unionidae | Leptodea | Leptodea fragilis
targetTaxonName: layer of sand at bottom of bank and from gravel layer near bottom of bank
localityName: Rock River, about 3 mi. SW of Como