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In Situ Cercidiphyllum-like Seedlings from the Paleocene of Alberta, Canada
Ruth A. Stockey and Peter R. Crane
American Journal of Botany
Vol. 70, No. 10 (Nov. - Dec., 1983), pp. 1564-1568
Published by: Botanical Society of America, Inc.
Stable URL: http://www.jstor.org/stable/2443355
Page Count: 5
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Fossil seedlings and seeds of an extinct Cercidiphyllum-like plant occur in the Paskapoo Formation (Late Paleocene) at Joffre Bridge near Red Deer, Alberta. Cotyledon and early seedling leaf stages are preserved in growth position. Morphological details of seedlings and seeds support a close relationship between the Paleocene fossils and extant Cercidiphyllum, and suggest that during the Upper Cretaceous and Tertiary (Paleogene) Cercidiphyllum-like plants were important early colonizers of open flood-plain environments
American Journal of Botany © 1983 Botanical Society of America, Inc.