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.
|General Note:|| 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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