Silphion latipenne Handlirsch. : Illinois. Grundy County. Mazon Creek. Coll: Strong, S. S. Middle Pennsylvanian. Desmoinesian. Carbondale Fm. Francis Creek Sh Mbr.;
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Photo credit: © PB/YB / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: animalia, arthropoda, handlirsch, holotype., latipenne, silphion