| Spathacalymene nasuta Massie Shale Napoleon, Indiana Size: 4 cm across the cephalon. This is only a cephalon of a VERY rare trilobite. Price: $10 US ID number: f1004 | 
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| Spathacalymene nasuta Massie Shale Napoleon, Indiana Size: 4 cm across the cephalon. This is only a cephalon of a VERY rare trilobite. Price: $10 US ID number: f1004 |
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