Middle and Upper Ordovician nautiloid cephalopods of the Cincinnati arch region of Kentucky, Indiana, and Ohio / by Robert C. Frey; prepared in cooperation with the Commonwealth of Kentucky, University of Kentucky, and Kentucky Geological Survey
- U.S. Geological Survey professional paper ; 1066-P
Contributions to the Ordovician paleontology of Kentucky and nearby states
- Title from title screen (viewed October 14, 2014).
"Stratigraphic distribution, pakoecology, biogeography, and systematic paleontology of 50 species of Ordovician nautiloids from the midcontinent."
- Bibliography Note:
- Includes bibliographical references (pages 113-119) and index.
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