Some silicified Strophomenacean brachiopods from the Ordovician of Kentucky, with comments on the genus Pionomena /
by John K. Pope ; prepared in cooperation with the Commonwealth of Kentucky, University of Kentucky, Kentucky Geological Survey ; edited by John Pojeta, Jr
- Washington, D.C. : United States Government Printing Office, 1982
- iv, 30 p., [8] leaves of plates : ill. ; 29 cm.
- Contributions to the Ordovician paleontology of Kentucky and nearby states Geological Survey professional paper ; 1066-L .