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The first record of Cooksonia from South Americain Silurian rocks of Bolivia

Published online by Cambridge University Press:  01 May 2009

E. Morel ,
D. Edwards  and
M. Iñigez Rodriguez
E. Morel
Affiliation:
Department of Palaeobotany, La Plata Museum, Paseo del Bosque s/m, 1900 La Plata, Argentina
D. Edwards
Affiliation:
Department of Earth Sciences, University of Wales Cardiff, P.O. Box 914, Cardiff CF1 3YE, UK
M. Iñigez Rodriguez
Affiliation:
C.I.G. Calle 1 No. 644, 1900 La Plata, Argentina
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Abstract

Plant megafossils resembling Cooksonia caledonica Lang aredescribed from the Kirusillas Formation in southern Bolivia.Faunal and lithological evidence together with field relation-ships advocate a late Silurian (Ludlow) age. Palaeocontinentalreconstructions suggest that the plants grew on the western edgeof Gondwana at 50–60° S and indicate that Cooksonia hadspread to higher latitudes soon after its appearance in the Wenlock.

Type
Rapid Communication
Information
Geological Magazine , Volume 132 , Issue 4 , July 1995 , pp. 449 - 452
Copyright
Copyright © Cambridge University Press 1995

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