| Pentremites sp. Paint Creek Fm. Hecker, Illinois Size: The Blastoid has brachiols which is quite rare. It is about 2 cm tall. Price: $75 US | 
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| Pentremites sp. Paint Creek Fm. Hecker, Illinois Size: The Blastoid has brachiols which is quite rare. It is about 2 cm tall. Price: $75 US |
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