. Contributions to Pennsylvanian paleobotany Mazocarpon oedipternum, sp. nov. and Sigillarian relationships. Paleobotany; Mazocarpon; Paleobotany. Illinois State Geological Survey Eept. Inv. 75, Plate 5. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Schopf, James Morton, 1911-. Urbana, Ill.

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Keywords: ., bookcentury1900, bookpublisherurbanaill, booksubjectpaleobotany