Archaeosperma Arnoldii, a cupulate seed from the Upper Devonian of North America:
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Bibliographic Details
Main Authors: Pettitt, John M. (Author), Beck, Charles B. (Author)
Format: Book
Language:English
Published: Ann Arbor, Mich. 1968
Series:Museum of Paleontology <Ann Arbor, Mich.>: Contributions from the Museum of Paleontology 22,10
Subjects:
Physical Description:S. 140 - 154 Ill.

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Interlibrary loan Place Request Caution: Not in THWS collection!