sourceTaxonName: Pomatiopsis lapidaria (Say, 1817)
sourceTaxonPath: Animalia | Mollusca | Gastropoda | Littorinimorpha | Pomatiopsidae | Pomatiopsis | Pomatiopsis lapidaria
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