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Observations on the Cenomanian (Upper Cretaceous) ammonite Calycoceras (Calycoceras) obrieni Young, 1957 from Arizona and New Mexico

Abstract:
Calycoceras (Calycoceras) obrieni Young, 1957 is revised on the basis of new collections from the upper Cenomanian Metoicoceras mosbyense zone of Arizona and New Mexico, and differences between it and C. (C.) naviculare (Mantell, 1822) are described. -Authors

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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
Journal:
US Geological Survey Bulletin
Volume:
1881
Publication date:
1990-01-01
ISSN:
0083-1093
Source identifiers:
177756
Language:
English
Pubs id:
pubs:177756
UUID:
uuid:6d2a9d8c-ecf5-4707-a568-a3b83b6c030c
Local pid:
pubs:177756
Deposit date:
2012-12-19

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