| Eldredgeops crasstuberculata Silica Shale Milan, Michign Size: 6.5 cm Donated to the University of Michigan and on permanent display at the new Exhibit Museum in the Michigan Hall. | 
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| Eldredgeops crasstuberculata Silica Shale Milan, Michign Size: 6.5 cm Donated to the University of Michigan and on permanent display at the new Exhibit Museum in the Michigan Hall. |
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