Warshauer, S. M.; Berdan, J. M. (1982). Palaeocopid and Podocopid Ostracoda from the Lexington Limestone and Clay Ferry Formation (Middle and Upper Ordovician) of central Kentucky. United States Geological Survey Professional Papers. 1066: 1-80.
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Warshauer, S. M.; Berdan, J. M.
1982
Palaeocopid and Podocopid Ostracoda from the Lexington Limestone and Clay Ferry Formation (Middle and Upper Ordovician) of central Kentucky
United States Geological Survey Professional Papers