Conodonts from the Lexington Limestone (Middle Ordovician) of Kentucky and its lateral equivalents in Ohio and Indiana
S.M. Bergstrom, W.C. Sweet
Pages: 175, 8 pls.
Issue: 229
Year published: 1966
S.M. Bergstrom, W.C. Sweet
Pages: 175, 8 pls.
Issue: 229
Year published: 1966