| Paladin/Kaskia chesterensis Ridenhower Fm. Millstadt, Illinois Size: 1.3 cm. across the cephalon, which appears to be buried under. Could possibly be cleaned from the other side. Very soft shale Price: $20 US ID number: f1067 | 
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| Paladin/Kaskia chesterensis Ridenhower Fm. Millstadt, Illinois Size: 1.3 cm. across the cephalon, which appears to be buried under. Could possibly be cleaned from the other side. Very soft shale Price: $20 US ID number: f1067 |
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