Early Pragian conodont-based correlations between the Barrandian area and the Spanish Central Pyrenees

Occurrences and distribution of extremely scarce eognathodontids do not facilitate reliable correlation across the European regions. The correlation of the traditional early Pragian of the Prague Synform (a part of the classical Barrandian area) and the Spanish Central Pyrenees (section Segre 1) is...

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Bibliographic Details
Published in:Geological journal (Chichester, England) England), 2007-11, Vol.42 (5), p.499-512
Main Authors: Slavík, Ladislav, Valenzuela-Ríos, José Ignacio, Hladil, Jindřich, Carls, Peter
Format: Article
Language:English
Subjects:
Barrandian area
conodont biostratigraphy
Lower Devonian
Pragian Stage
Spanish Central Pyrenees
stratigraphic correlation
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Summary:Occurrences and distribution of extremely scarce eognathodontids do not facilitate reliable correlation across the European regions. The correlation of the traditional early Pragian of the Prague Synform (a part of the classical Barrandian area) and the Spanish Central Pyrenees (section Segre 1) is based on conodont taxa of the Icriodus steinachensis and the Pelekysgnathus serratus stocks. This correlation has the potential to be extended to other peri‐Gondwanan regions where this scarcity of eognathodontid faunas exists as well. Application of the morphotype subdivision in I. steinachensis enables approximation of the beginning of the Pragian in the Pyrenees. It is based on the entry of I. steinachensis beta morphotype; it enters together with early eognathodontid taxa in the Barrandian sections. These correlations show that routine application of certain zonal concepts can lead to misleading conclusions. Copyright © 2007 John Wiley & Sons, Ltd.
ISSN:0072-1050
1099-1034
DOI:10.1002/gj.1087