[071-01] Mollusca and a Trilobite from the Shumway Cyclothem, Mattoon Formation, Pennsylvanian, Illinois

Posted on October 7, 2013 by Transactions Editor Webmaster

Scheihing, Mark H. and Ralph L. Langenheim, Jr.

Mollusca and a Trilobite from the Shumway Cyclothem, Mattoon Formation, Pennsylvanian, Illinois

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