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The Coniacian stage and substage boundaries

Abstract:

The Coniacian Working Group of the Cretaceous Subcommission on Stratigraphy has recommended the First Occurrence (FO) of the inoceramid bivalve Cremnoceramus rotundatus (sensu Tröger non Fiege) as criterion for recognising the Turonian-Coniacian boundary. This boundary lies between the LO of the ammonite Prionocyclus germari (uppermost Turonian of Eurasia and North America), and the FOs of the ammonites Forresteria (Harleites) petrocoriensis (Europe) and F. peruana and F. brancoi (North Ameri...

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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Role:
Author
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Journal:
Bulletin de l'Institut Royal des Sciences Naturelles de Belqique, Sciences de la Terre
Volume:
66
Issue:
SUPPL.
Pages:
81-84
Publication date:
1996-01-01
ISSN:
0374-6291
URN:
uuid:33f1f143-f33d-446e-9e0c-6dcffaa2702c
Source identifiers:
177909
Local pid:
pubs:177909

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