![](http://www.alamy.com/thumbs/6/5952D005-5E45-4DD3-B36B-6F624FC0981A/2JEM321.jpg)
Blattoidea. : Illinois. Grundy County. Mazon Creek. Mazon Creek. Coll: Strong, S. S. Middle Pennsylvanian. Desmoinesian. Carbondale Fm. Francis Creek Sh Mbr.;
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Keywords: animalia, arthropoda, blattodea, blattoidea., hexapoda, insecta