Manuscript entitled, Fossil Flora and Fauna of the Pennsylvanian Period, Will County, Illinois
by George Langford (1876-1964)
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Oligocarpia, Alloiopteris and Corynepteris, page 67.
1. Oligocarpia brongniarti
Oligarpia brongniarti fossil
1a, 1b. Oligocarpia brongniarti
Oligarpia brongiarti

Note: the scan of the original page 67 is here. The original page was letter size but the image may have been cropped slightly.
2. Oligocarpia brongniarti
Oligocarpia brongniarti fossil
3. Oligocarpia alabamensis
Oligocarpia gutberi fossil

4. Oligocarpia gutbieri
Oligocarpia gutberi fossil
6. Corynepteris sternbergi
Corynepteris sternbergi fossil
5. Alloiopteris
Alloiopteris fossil

Legend:

Text for images No's 1 through 6

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