The Upper Cretaceous ammonite Rhaeboceras Meek in the Western Interior of the United States
Book
·
OSTI ID:5857058
In North America, the ammonite Rhaeboceras, of early Maastrichtian age, is known only from western Kansas and northern Colorado northward into Alberta and Saskatchewan. Six species have been described and illustrated; three of the species have unusual noded variants. Two new species, Rhaeboceras burkholderi from the Bearpaw Shale of east-central Montana and Rhaeboceras coloradoense from the Richard Sandstone Member of the Pierre Shale of north-central Colorado, are described herein.
- OSTI ID:
- 5857058
- Country of Publication:
- United States
- Language:
- English
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Book
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OSTI ID:6443620
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Tue Dec 31 23:00:00 EST 1991
· Geological Society of America, Abstracts with Programs; (United States)
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OSTI ID:5808213
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Technical Report
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Wed Jul 08 00:00:00 EDT 1998
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OSTI ID:656616