MULTINODOSE SCAPHITID CEPHALOPODS FROM THE LOWER PART OF THE PIERRE SHALE AND EQUIVALENT ROCKS IN THE CONTERMINOUS UNITED STATES; CONTRIBUTIONS TO PALEONTOLOGY; GEOLOGICAL SURVEY PROFESSIONAL PAPER 483-E. William A. Cobban, Glenn R. Scott.

MULTINODOSE SCAPHITID CEPHALOPODS FROM THE LOWER PART OF THE PIERRE SHALE AND EQUIVALENT ROCKS IN THE CONTERMINOUS UNITED STATES; CONTRIBUTIONS TO PALEONTOLOGY; GEOLOGICAL SURVEY PROFESSIONAL PAPER 483-E

Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1964. Softcover. Item #42939

Three species of ammonites, assigned to the new genus Trachyscaphites, provide a means for the correlation of Upper Cretaceous strata between the Western Interior, the Gulf Coastal Plain, and Europe. 13 pages with tables and references, plus four photographic plates bound in the rear. Bound in thick gray paper covers printed in black. Small library stamp, withdrawn stamp and call number on the front cover. No other library markings, pockets of plates were ever present. A near fine copy.

Price: $20.00