sourceTaxonName: undet. Ostreidae
sourceTaxonPath: Animalia | Mollusca | Bivalvia | Pterioida | Ostreidae
localityName: Grand River. lower 6 ft of unit 1, just below Hell Creek contact, draw NW of small banded-bed butte, badlands in NW-facing bluff, .5 mi S of Hump Creek and 1.2 mi E of SD Rt. 65, and 2.4 mi NE of Black Horse