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Image Title: Delnortea abbottiae - Permineralized leaf fragment
Image Credit: John Miller, Oregon State University
Intended End User: Teacher, Student
Copyright held by: John Miller
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About the Image

This is a kodachrome of a permineralized leaf fragment of Delnortea (USNM 387477). Taken by John M. Miller using a Nikkormat camera ASA 25 film in sunlight, shortly after collection of the rock sample from the Lower Permian (Leonardian) Road Canyon Formation, Permian Type Section. Later photographs were taken by Sergius H. Mamay, Ph.D., USNM and published as Fig. 15 in the American Journal of Botany 75(9): 1414.

National Science Foundation  Development Supported by the National Science Foundation