The Upper Cretaceous (Turonian) ammonite family Coilopoceratidae Hyatt in the Western Interior of the United States Coilopoceras, Hoplitoides, and Herrickiceras, chiefly found in New Mexico, provide a means for the correlation of Cretaceous rocks between the Western Interior, South America, Africa, and Europe

Bibliographische Detailangaben

1. Verfasser:	Cobban, William Aubrey (VerfasserIn)
Weitere Verfasser:	Hook, Stephen C. (VerfasserIn)
Format:	UnknownFormat
Sprache:	eng
Veröffentlicht:	Washington, DC U.S. Gov. Print. Off. 1980
Schriftenreihe:	Geological Survey professional paper 1192
Schlagworte:
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