1.

Record Nr.

UNINA9910705650203321

Autore

Cobban William A. <1916-2015, >

Titolo

The late Cretaceous ammonites Scaphites leei Reeside and Scaphites hippocrepis (DeKay) in the western interior of the United States / / by William A. Cobban

Pubbl/distr/stampa

Washington : , : U.S. Department of the Interior, Geological Survey, , 1969

Descrizione fisica

1 online resource (iii, 29 pages, 5 pages of plates) : illustrations, map

Collana

Geological Survey professional paper ; ; 619

Soggetti

Ammonoidea - West (U.S.)

Paleontology - Cretaceous

Paleontology - West (U.S.)

Ammonoidea

Cretaceous Geologic Period

Paleontology

United States, West

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Title from title screen (viewed September 24, 2014).

"Three chronological forms each of Scaphites leei and Scaphites hippocrepis occur in dimorphic pairs and provide a means of correlating thin units of strata."

Nota di bibliografia

Includes bibliographical references (pages 24-27) and index.