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Early to mid-twentieth century floral zonation schemes of the Pennsylvanian (late Carboniferous) of North America and correlations with the late Carboniferous of Europe

By
Paul C. Lyons
Paul C. Lyons
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Erwin L. Zodrow
Erwin L. Zodrow
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Published:
January 01, 1995

Twentieth-century megafloral zonation schemes for the Pennsylvanian System (upper Carboniferous) of North America are partly rooted in the nineteenth-century works of L. Lesquereux and J. W. Dawson in North America and partly in western European floral biostratigraphy. The major contributions to these schemes were by D. White—who independently developed floral correlations with Europe—with later modifications and refinements by W. C. Darrah and C. B. Read of the United States and W. A. Bell of Canada. Minor contributions to European correlations were made by E. H. Sellards, A. C. Noé, and C. A. Arnold of the United States. European paleobotanists—especially P. Bertrand, W. J. Jongmans, and E. Dix—notably influenced the development of Carboniferous floral zonation schemes in North America. Darrah integrated, on the basis of personal collections and examinations of museum collections on both continents, the European and U.S. late Carboniferous floral zonations and correlations. Difficulties with megafloral correlations between Europe and North America occurred because of taxonomic problems and different perspectives on the biostratigraphic value of certain index species and genera that have different ranges in Europe and North America. However, the broad aspects of floral succession and megafloral correlations between the two continents were essentially established by the middle of the twentieth century.

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GSA Memoirs

Historical Perspective of Early Twentieth Century Carboniferous Paleobotany in North America

Paul C. Lyons
Paul C. Lyons
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Elsie Darrah Morey
Elsie Darrah Morey
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Robert H. Wagner
Robert H. Wagner
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Geological Society of America
Volume
185
ISBN print:
9780813711850
Publication date:
January 01, 1995

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