Late campanian (cretaceous) heteromorph ammonites from the western interior of the United States
Heteromorph ammonites of the families Nostoceratidae Hyatt, 1894, and Diplomoceratidae Spath, 1976, are common to abundant in sediments deposited in the western and central parts of the U.S. Western Interior Seaway during the early late Campanian. The indices of the successive zones of Didymoceras n...
| Main Authors: | , , , |
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| 格式: | Journal article |
| 语言: | English |
| 出版: |
2000
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Late Campanian (Cretaceous) heteromorph ammonites from the Western Interior of the United States
出版 2000
Journal article