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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

    A phyllocarid, Ceratioceras acuminata showing what appears to be internal structure of the gut. Silurian, Bertie Group, Williamsville Formation ~420 mya. Collected by Wayne Davey