- 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...
Expand abstract - 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
- Language:
- English
- Keywords:
- Copyright date:
- 1996
Journal article
The Coniacian stage and substage boundaries
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