Some Acanthoceratid Ammonites from Upper Cenomanian (Upper Cretaceous) Rocks of Wyoming
Author: William A. Cobban
Publisher:
Published: 1988
Total Pages: 64
ISBN-13:
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Tarrantoceras Stephenson and Related Ammonoid Genera from Cenomanian (Upper Cretaceous) Rocks in Texas and the Western Interior of the United States
Author: William Aubrey Cobban
Publisher:
Published: 1988
Total Pages: 60
ISBN-13:
DOWNLOAD EBOOKSee journals under US Geological survey. Prof. paper 1473.
Ammonites and Some Characteristic Bivalves from the Upper Cretaceous Frontier Formation, Natrona County, Wyoming
Author: William A. Cobban
Publisher:
Published: 1990
Total Pages: 48
ISBN-13:
DOWNLOAD EBOOKLATE CRETACEOUS (CENOMANIAN-CAMPANIAN) AMMONITE SYSTEMATIC PALEONTOLOGY AND BIOSTRATIGRAPHY, SOUTHEASTERN SAN JUAN BASIN, SANDOVAL COUNTY, NEW MEXICO
Author: PAUL L. SEALEY
Publisher: New Mexico Museum of Natural History and Science
Published:
Total Pages: 255
ISBN-13:
DOWNLOAD EBOOKThe Upper Cretaceous Dimorphic Pachydiscid Ammonite Menuites in the Western Interior of the United States
Author: William Aubrey Cobban
Publisher:
Published: 1993
Total Pages: 52
ISBN-13:
DOWNLOAD EBOOKDescriptions and illustrations of two important species of Menuites.
New and Little-known Ammonites from the Upper Cretaceous (Cenomanian and Turonian) of the Western Interior of the United States
Author: William Aubrey Cobban
Publisher:
Published: 1971
Total Pages: 84
ISBN-13:
DOWNLOAD EBOOKA species each of Anisoceras, Desmoceras, Tragodesmoceras, Calycoceras, Nigericeras, and Paracompsoceras (new genus) is described and illustrated.
Late Cretaceous (Cenomanian-Campanian) Ammonite Systematic Paleontology and Biostratigraphy, Southeastern San Juan Basin, Sandoval County, New Mexico
Author: Paul L. Sealey
Publisher:
Published: 2019
Total Pages: 245
ISBN-13:
DOWNLOAD EBOOKUpper Cretaceous Ammonites of California
Author: Tatsurō Matsumoto
Publisher:
Published: 1959
Total Pages: 586
ISBN-13:
DOWNLOAD EBOOKMicrofossils of the Upper Cretaceous of Northeastern Utah and Southwestern Wyoming
Author: Reed H. Peterson
Publisher:
Published: 1953
Total Pages: 158
ISBN-13:
DOWNLOAD EBOOKThe 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 EBOOKAdditional 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.
