First record of a large Callixylon trunk from the late Devonian of Gondwana

Author:

MEYER-BERTHAUD B.,WENDT J.,GALTIER J.

Abstract

A 5 m long permineralized trunk from the Upper Kellwasser member of southern Morocco represents the first record of a large trunk of an identifiable species of Callixylon, C. erianum, from Gondwana. This occurrence constitutes the most reliable evidence based on plant megafossils for a floral connection between Laurussia and Gondwana in late Devonian times and for a proximity of these continents in Famennian times. The potential of this trunk for studies of the architecture and growth patterns of the earliest trees with a gymnospermous type of arborescent habit is discussed.

Publisher

Cambridge University Press (CUP)

Subject

Geology

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