New and Little-known Ammonites from the Upper Cretaceous (Cenomanian and Turonian) of the Western Interior of the United States

New and Little-known Ammonites from the Upper Cretaceous (Cenomanian and Turonian) of the Western Interior of the United States PDF Author: William Aubrey Cobban
Publisher:
ISBN:
Category : Ammonoidea
Languages : en
Pages : 84

Book Description
A species each of Anisoceras, Desmoceras, Tragodesmoceras, Calycoceras, Nigericeras, and Paracompsoceras (new genus) is described and illustrated.

Ammonites and Some Characteristic Bivalves from the Upper Cretaceous Frontier Formation, Natrona County, Wyoming

Ammonites and Some Characteristic Bivalves from the Upper Cretaceous Frontier Formation, Natrona County, Wyoming PDF Author: William Aubrey Cobban
Publisher:
ISBN:
Category : Ammonoidea
Languages : en
Pages : 48

Book Description

U.S. Geological Survey Bulletin

U.S. Geological Survey Bulletin PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 520

Book Description

U.S. Geological Survey Professional Paper

U.S. Geological Survey Professional Paper PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 184

Book Description

Geological Survey Professional Paper

Geological Survey Professional Paper PDF Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 734

Book Description

Geological Survey Professional Paper

Geological Survey Professional Paper PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 136

Book Description

LATE CRETACEOUS (CENOMANIAN-CAMPANIAN) AMMONITE SYSTEMATIC PALEONTOLOGY AND BIOSTRATIGRAPHY, SOUTHEASTERN SAN JUAN BASIN, SANDOVAL COUNTY, NEW MEXICO

LATE CRETACEOUS (CENOMANIAN-CAMPANIAN) AMMONITE SYSTEMATIC PALEONTOLOGY AND BIOSTRATIGRAPHY, SOUTHEASTERN SAN JUAN BASIN, SANDOVAL COUNTY, NEW MEXICO PDF Author: PAUL L. SEALEY
Publisher: New Mexico Museum of Natural History and Science
ISBN:
Category : Nature
Languages : en
Pages : 255

Book Description

Publications of the U.S. Geological Survey, 1971-1981

Publications of the U.S. Geological Survey, 1971-1981 PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 544

Book Description

Publications of the Geological Survey

Publications of the Geological Survey PDF Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 548

Book Description

Paleontology of the Greenhorn Cyclothem (Cretaceous: Late Cenomanian to Middle Turonian) at Black Mesa, Northern Arizona

Paleontology of the Greenhorn Cyclothem (Cretaceous: Late Cenomanian to Middle Turonian) at Black Mesa, Northern Arizona PDF Author: James Ian Kirkland
Publisher: New Mexico Museum of Natural History and Science
ISBN:
Category :
Languages : en
Pages : 188

Book Description

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