B342 (2010) Scaphites of the “nodosus group” from the Upper Cretaceous (Campanian)
B342 (2010) 156 pp. Neil H. Landman, W. James Kennedy, William A. Cobban, and Neal L. Larson: Scaphites of the “nodosus group” from the Upper Cretaceous (Campanian) of the Western Interior of North America.
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