| Anataphrus vigilans Maquoketa Fm. Fennimore, Wisconsin Size: The trilobite is about 0.9 cm across the cephalon. Price: $20 US ID number: fs695 | 
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| Anataphrus vigilans Maquoketa Fm. Fennimore, Wisconsin Size: The trilobite is about 0.9 cm across the cephalon. Price: $20 US ID number: fs695 |
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