North American species of Tempskya and their stratigraphic significance / by Sidney R. Ash and Charles B. Read; with a section on stratigraphy and age of the Tempskya-bearing rocks of southern Hidalgo County, New Mexico, by Robert A. Zeller, Jr.
- Physical Description: 1 online resource (iii, 42 pages) : illustrations, maps.
- Publisher: Washington : United States Department of the Interior, Geological Survey, 1976.
Title from title screen (viewed October 2, 2014).
"A description of two new species of the Early Cretaceous tree fern Tempskya and a discussion of the characters and distribution of the other North American species."
|Bibliography, etc. Note:||
Includes bibliographical references (pages 36-40) and index.
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|Subject:||Paleobotany > Cretaceous.
Paleobotany > New Mexico > Hidalgo County.
Geology, Stratigraphic > Cretaceous.
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