Tag Archives: An Occurrence of Rhizocorallium in the Upper Caseyville Formation (Lower Pennsylvanian) of Southern Illinois

[079-11] An Occurrence of Rhizocorallium in the Upper Caseyville Formation (Lower Pennsylvanian) of Southern Illinois

George H. Fraunfelter An Occurrence of Rhizocorallium in the Upper Caseyville Formation (Lower Pennsylvanian) of Southern Illinois 079-11-print

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