The Late Cretaceous Ammonites Scaphites Leei Reeside and Scaphites Hippocrepis (DeKay) in the Western Interior of the United States
Author: William Aubrey Cobban
Publisher:
Published: 1969
Total Pages: 64
ISBN-13:
DOWNLOAD EBOOK →Additional title page description: Three chronological forms each of Scaphites leei and Scaphites hippocrepis occur in dimorphic pairs and provide a means of correlating thin units of strata.