Multinodose scaphitid cephalopods from the lower part of the Pierre Shale and equivalent rocks in the conterminous United States: Three species of ammonites, assigned to the news genus Trachyscaphites, provide a means for the correlation of Upper Cretaceous strata between the Western Interior, the Gulf Coastal Plain, and Europe
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Bibliographic Details
Main Authors: Cobban, William A. (Author), Scott, Glenn R. (Author)
Format: Book
Language:English
Published: Washington, DC United States Government Print. Office 1964
Series:Geological Survey professional paper 483-E
Subjects:
Item Description:Literaturverz. S. E12 - E13
Physical Description:III, 13, [10] S. Ill., graph. Darst., Kt.

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