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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 4 months, 3 weeks ago

    4 months, 3 weeks ago
    4 months, 3 weeks ago

    Pseudoniscus clarkei, Silurian, Bertie Group, Williamsville Formation ~420 mya, Ridgemout Quarries, Fort Erie Ontario. collected by Wayne Davey