| Glyptambon verrucosus Waldron Shale St. Paul, Indiana Size: 2.2 cm. across the cephalon This trilobite is rarely found complete. It is generally found as only the cephalon Price: $25 US ID number: f1110 | 
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| Glyptambon verrucosus Waldron Shale St. Paul, Indiana Size: 2.2 cm. across the cephalon This trilobite is rarely found complete. It is generally found as only the cephalon Price: $25 US ID number: f1110 |
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