Biblioteca - Ingemmet Search for 'an:33 and au:Cobban, William A. and au:Scott, Glenn R.'

Late Campanian (Cretaceous) heteromorph ammonites from the Western interior of the United States

By Kennedy, William James. New York American Museum of Natural History 2000 . 88 p.

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Multinodose scaphitid cephalopods from the Lower Part of the Pierre Shale and equivalent rocks in the conterminous United States

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1964 . pp. 1-13

Place Hold on Multinodose scaphitid cephalopods from the Lower Part of the Pierre Shale and equivalent rocks in the conterminous United States

Occurrence of the Early Cretaceous Ammonite Venezoliceras in Puerto Rico

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1988 . pp. D1-D2

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Stratigraphy and ammonite fauna of the Graneros Shale and Greenhorn Limestone near Pueblo, Colorado

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1972 . pp. 1-108

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Upper Cretaceous Heteromorph ammonites from the Baculites compressus zone of the Pierre Shale in North-central Colorado

By Cobban, William A.. Washington, D.C. U.S. Geological Survey 1992 . pp. A1-A11 , Título de Bulletin n°2024: Shorter Contributions to Paleontology and Stratigraphy, 1992

Place Hold on Upper Cretaceous Heteromorph ammonites from the Baculites compressus zone of the Pierre Shale in North-central Colorado