Lohman, K. E., Andrews, G. W. 1968. Late Eocene Nonmarine Diatoms From the Beaver Divide Area, Fremont County, Wyoming. 593-E E18, Plates 1, 2; 7 figs., 1 table.
Type Status:
Holotype
Place:
Beaver Divide area, snails from USGS Cen. loc. 20031 [Wagon Bed Formation, Late Eocene], Fremont County, Wyoming, United States, North America