sourceTaxonName: Planorbella trivolvis (Say, 1817)
sourceTaxonPath: Animalia | Mollusca | Gastropoda | Planorbidae | Planorbella | Planorbella trivolvis
targetTaxonName: gravel
localityName: 5.8 mi. SW of Union, 5.3 mi. WNW of St. Clair, Bourbeuse River, 600 ft. below Reiker Ford, west bank