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remyophyton

Earth and Environmental Science Transactions of The Royal Society of Edinburgh (1)

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New gametophytes from the Early Devonian Rhynie chert
Hans Kerp, Nigel H. Trewin, Hagen Hass
Journal:

Transactions of the Royal Society of Edinburgh: Earth Sciences / Volume 94 / Issue 4 / December 2003

Published online by Cambridge University Press:

26 July 2007, pp. 411-428

Print publication:

December 2003
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Several new gametophytes are described from the Early Devonian Rhynie chert. The new monotypic genus Remyophyton, being the gametophyte of Rhynia, is represented by a dense stand of in situ preserved gametophytes with antheridia- and archegonia-bearing axes. The gametophytes are remarkably small in comparison to those of other Rhynie chert plants. The generic diagnoses of Lyonophyton and Langiophyton are emended to include archegonia- and antheridiabearing axes. All essential stages of the reproductive cycle, i.e. sporophytes, and male and female gametophytes, can now be demonstrated for three of the six land plants from the Rhynie chert, i.e. Rhynia gwynne-vaughanii, Aglaophyton major and Horneophyton lignieri.