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Embryophytic sporophytes in the Rhynie and Windyfield cherts

Edwards, Dianne 2003. Embryophytic sporophytes in the Rhynie and Windyfield cherts. Transactions of the Royal Society of Edinburgh: Earth Sciences 94 (4) , pp. 397-410. 10.1017/S0263593300000778

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Brief descriptions and comments on relationships are given for the seven embryophytic sporophytes in the cherts at Rhynie, Aberdeenshire, Scotland. They are Rhynia gwynnevaughanii Kidston & Lang, Aglaophyton major D. S. Edwards, Horneophyton lignieri Barghoorn & Darrah, Asteroxylon mackiei Kidston & Lang, Nothia aphylla Lyon ex Høeg, Trichopherophyton teuchansii Lyon & Edwards and Ventarura lyonii Powell, Edwards & Trewin. The superb preservation of the silica permineralisations produced in the hot spring environment provides remarkable insights into the anatomy of early land plants which are not available from compression fossils and other modes of permineralisation. They include soft tissues, such as those surrounding stomata, rhizoids, apical and lateral meristems, and diversity in conducting cells, with inferences for palaeoecophysiology, including water use efficiency, transport and absorption, and for growth processes and patterns.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Earth and Ocean Sciences
Subjects: Q Science > QE Geology
Q Science > QK Botany
Uncontrolled Keywords: Exceptional preservation; Lycopsida; meristems; palaeoecophysiology; Rhyniopsida; silicification; substomatal chamber; water absorption; xylem; Zosterophyllopsida
Additional Information: Pdf uploaded in accordance with publisher's policy at (accessed 25/02/2014).
Publisher: Cambridge University Press
ISSN: 0263-5933
Date of First Compliant Deposit: 30 March 2016
Last Modified: 04 Jun 2017 02:10

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