Sturgeon, M. T.; Hoare, R. D. (1968). Pennsylvanian brachiopods of Ohio. State of Ohio, Department of Natural Resources, Division of Geological Survey. Bulletin 63: 1-95, plates 1-22.
509064
Sturgeon, M. T.; Hoare, R. D.
1968
Pennsylvanian brachiopods of Ohio
State of Ohio, Department of Natural Resources, Division of Geological Survey