Baculites thomi Reeside, 1927, an Upper Cretaceous ammonite in the Western Interior of the United States
The heteromorphic ammonite Baculites is an important marker fossil for much of the marine Upper Cretaceous of the Western Interior of the US. Baculites thomi Reeside, 1927, is a previously poorly known species that is herein redescribed from well-preserved material from the top of the Kevin Member o...
| Main Authors: | , |
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| 格式: | Journal article |
| 語言: | English |
| 出版: |
1991
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| 總結: | The heteromorphic ammonite Baculites is an important marker fossil for much of the marine Upper Cretaceous of the Western Interior of the US. Baculites thomi Reeside, 1927, is a previously poorly known species that is herein redescribed from well-preserved material from the top of the Kevin Member of the Marias River Shale in northwestern Montana. The species ranges from the upper Santonian into the lower Campanian. -Authors |
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