Middle and Upper Ordovician nautiloid cephalopods of the Cincinnati arch region of Kentucky, Indiana, and Ohio /
Frey, Robert C.
Geological Survey (U.S.)
Washington : U.S. G.P.O. : Denver, CO : For sale by U.S. Geological Survey, Information Services,
1995.
"Prepared in cooperation with the Commonwealth of Kentucky, University of Kentucky, and Kentucky Geological Survey."
"U.S. Department of the Interior, U.S. Geological Survey"--T.p. verso.
Shipping list no.: 95-0308-P.
Includes index.
Includes bibliographical references (p. 113-119).
Nautiloidea, Fossil
Nautiloidea, Fossil
Nautiloidea, Fossil
Paleontology
Animals, Fossil
Animals, Fossil
Animals, Fossil