Author: Erickson J.M.,
Title: Bivalve mollusk range extensions in the Fox Hills Formation (Maestrichtian) of North and South Dakota and their implications for the Late Cretaceous geologic history of the Williston Basin
Description: 1978. In 8vo, offp., pp. 11 with 3 figs. Offprint from North Dakota Ac. Sci. Proc., 32(2)

Keywords: shells fossil paleontology geology


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