The palaeoxylological record of Metapodocarpoxylon libanoticum (Edwards) Dupéron-Laudoueneix et Pons and the Gondwana Late Jurassic–Early Cretaceous continental biogeography

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Abstract:

Abstract Aim 

Vertebrates, palynomorphs and leaf floras each give a different picture of continental biogeography of Northern Gondwana during the Middle Jurassic–Early Cretaceous interval. A new biogeographical marker is required to get a clearer picture. Location 

Northern part of the Gondwana during the Middle Jurassic–Early Cretaceous interval. Methods 

Comparisons and correlations of wood data from the literature and new material. Results 

We have selected Metapodocarpoxylon Dupéron-Laudoueneix et Pons because it has a restricted distribution, temporally and geographically; it is a well-defined Mesozoic fossil wood monospecific genus, and there are wide-ranging data on its distribution. Conclusions 

Metapodocarpoxylon distribution draws a clear latitudinal belt extending from Lebanon westward to Peru. Climate being the main factor of plant distribution at a global scale, the Metapodocarpoxylon area probably underlines a climatic belt. This has several implications, for example, choosing among different Global Circulation Models or discussing dinosaur distribution.

Keywords: Gondwana; Mesozoic; Palaeobiogeography; conifers; fossil wood

Document Type: Research Article

DOI: http://dx.doi.org/10.1046/j.1365-2699.2003.00835.x

Affiliations: 1: Geological Museum, University of Copenhagen, Copenhagen, Denmark, 2: Bernard Price Institute for Palaeontological Research, University of Witwatersrand, Johannesburg, South Africa, 3: Maison des Géosciences, Grenoble, France, 4: Laboratoire de Paléobotanique de l'Université Lyon-1 et UMR 5125 CNRS, Villeurbanne, France, 5: Office National des Mines, Tunis, Tunisia, 6: In memoriam (September 2002)

Publication date: March 1, 2003

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