National Geologic Map Database
General Information
- Title: Variation and ontogeny of Calycoceras (Proeucalycoceras) canitaurinum (Haas, 1949) from the Upper Cretaceous (Cenomanian) of the Western Interior of the United States
- Author(s): Cobban, W.A., and Kennedy, W.J.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Bulletin 1881-B [p. B1-B7]
- Larger Work: Sando, W.J., ed., Shorter contributions to paleontology and stratigraphy
- Publication Date: 1989
- Map Scale: 1:9,729,042
- Cross Section: None
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