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

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

Bibliographic Details
Main Authors: Cobban, W, Kennedy, W
Format: Journal article
Language:English
Published: 1990
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author Cobban, W
Kennedy, W
author_facet Cobban, W
Kennedy, W
author_sort Cobban, W
collection OXFORD
description 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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spelling oxford-uuid:6d2a9d8c-ecf5-4707-a568-a3b83b6c030c2022-03-26T19:16:01ZObservations on the Cenomanian (Upper Cretaceous) ammonite Calycoceras (Calycoceras) obrieni Young, 1957 from Arizona and New MexicoJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:6d2a9d8c-ecf5-4707-a568-a3b83b6c030cEnglishSymplectic Elements at Oxford1990Cobban, WKennedy, WCalycoceras (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
spellingShingle Cobban, W
Kennedy, W
Observations on the Cenomanian (Upper Cretaceous) ammonite Calycoceras (Calycoceras) obrieni Young, 1957 from Arizona and New Mexico
title Observations on the Cenomanian (Upper Cretaceous) ammonite Calycoceras (Calycoceras) obrieni Young, 1957 from Arizona and New Mexico
title_full Observations on the Cenomanian (Upper Cretaceous) ammonite Calycoceras (Calycoceras) obrieni Young, 1957 from Arizona and New Mexico
title_fullStr Observations on the Cenomanian (Upper Cretaceous) ammonite Calycoceras (Calycoceras) obrieni Young, 1957 from Arizona and New Mexico
title_full_unstemmed Observations on the Cenomanian (Upper Cretaceous) ammonite Calycoceras (Calycoceras) obrieni Young, 1957 from Arizona and New Mexico
title_short Observations on the Cenomanian (Upper Cretaceous) ammonite Calycoceras (Calycoceras) obrieni Young, 1957 from Arizona and New Mexico
title_sort observations on the cenomanian upper cretaceous ammonite calycoceras calycoceras obrieni young 1957 from arizona and new mexico
work_keys_str_mv AT cobbanw observationsonthecenomanianuppercretaceousammonitecalycocerascalycocerasobrieniyoung1957fromarizonaandnewmexico
AT kennedyw observationsonthecenomanianuppercretaceousammonitecalycocerascalycocerasobrieniyoung1957fromarizonaandnewmexico