First record of a large Callixylon trunk from the late Devonian of Gondwana
- 1 March 1997
- journal article
- research article
- Published by Cambridge University Press (CUP) in Geological Magazine
- Vol. 134 (6) , 847-853
- https://doi.org/10.1017/s0016756897007814
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.Keywords
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