| Triarthrus eatoni Utica Shale New York Size: 1.9 cm. Not sure of the exact locality. Positive and negative are included. Price: $25 US ID number: f1393 | 
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| Triarthrus eatoni Utica Shale New York Size: 1.9 cm. Not sure of the exact locality. Positive and negative are included. Price: $25 US ID number: f1393 |
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