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  • Wayne Davey posted an update in the group Group logo of University of Michigan Museum of PaleontologyUniversity of Michigan Museum of Paleontology 1 year, 8 months ago

    1 year, 8 months ago
    1 year, 8 months ago

    This appears to be a medusagraptus Silurian, Bertie Group, Williamsville Formation ~420 mya Ridgemount Quarries Fort Erie Ontario. Collected by Wayne Davey.