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...

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書目詳細資料
Main Authors: Kennedy, W, Landman, N, Cobban, W, Scott, G
格式: Journal article
語言:English
出版: 2000

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