Orthomylacris contorta Handlirsch. : Illinois. Grundy County. Mazon Creek. Mazon Creek. Coll: Strong, S. S. Middle Pennsylvanian. Desmoinesian. Carbondale Fm. Francis Creek Sh Mbr.;
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Model Released: No
Keywords: animalia, arthropod, contorta, handlirsch, holotype., orthomylacris