Author: Cobban W.A., Title: Ammonites and some characteristic bivalves from the Upper Cretaceous Frontier Formation, Natrona County, Wyoming
Description: 1990. In folio, original wrappers, pp.38 with 11 pls. with facing captions. US Geol. Surv. Prof. Pap. 1917-B
Keywords: shells fossil ammonites paleontology geology
Price: EUR 8.00 = appr. US$ 8.69 Seller: Naturama
- Book number: 75971
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