Pennsylvanian tree fern compressions Caulopteris, Megaphyton, and Artisophyton gen. nov. in Illinois
Pfefferkorn, Hermann W.
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https://hdl.handle.net/2142/43240
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Title Pennsylvanian tree fern compressions Caulopteris, Megaphyton, and Artisophyton gen. nov. in Illinois Author(s) Pfefferkorn, Hermann W. Contributor(s) Illinois. Department of Registration and Education Illinois State Geological Survey Issue Date 1976 Keyword(s) Ferns, Fossil. Paleobotany Geographic Coverage Illinois. Publisher Urbana, IL : Illinois State Geological Survey Series/Report Name or Number Circular no. 492 Type of Resource text Language eng Permalink http://hdl.handle.net/2142/43240 Has Version(s) http://hdl.handle.net/10111/UIUCOCA:pennsylvaniantre492pfef http://www.archive.org/details/pennsylvaniantre492pfef Copyright and License Information Public domain. Illinois state government document. Copyright 1976 Board of Trustees University of Illinois.
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