Some acanthoceratid ammonites from upper cenomanian (upper cretaceous) rocks of Wyoming / by William A. Cobban
Resource type: Ressourcentyp: BuchBookLanguage: English Series: United States Geological Survey. Professional paper ; 1353Publisher: Washington, DC [u.a.] : United States Gov. Print. Office, 1988Description: III, 17 S. : Ill, graph. DarstDDC classification:- 564
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