New molluscan forms from the Laramie and Green River groups, with discussion of some associated forms heretofore knownDOI: info:10.5479/si.00963801.5-266.94v. 5No. 26694–99, 2 pls.
White, C. A. 1882. "New molluscan forms from the Laramie and Green River groups, with discussion of some associated forms heretofore known." Proceedings of the United States National Museum, 5, (266) 94–99, 2 pls.. https://doi.org/10.5479/si.00963801.5-266.94.