| Eldredgeops crassituberculata Silica Shale Paulding, Ohio Size: About 3.9 cm. across the cephalon Comes with the original matrix it was in. Note that the photo shows the trilobite sitting on its rock with cephalon up. It should be pygidium up as is evident with the impression of the cephalon on the matrix. Price: $100 US ID number: f2407 | 
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