Author: COBBAN, W.A. & J. KENNEDY Title: Observations on the Cenomanian (Upper cretaceous) ammonite Calycoceras (Calycoceras) obrieni Young, 1957 from Arizona and New Mexico.
Description: 1990. US Geological Survey Bulletin 1881, C; iii, 4 pp. 5 plts. h.t. Orig. extract, stapled, very good, 4to.
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Price: EUR 6.00 = appr. US$ 6.52 Seller: Lingua Terrae Books
- Book number: 49065
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