This is the "Fossil Friday" post #175. Expect this to be a somewhat regular feature of the website. We will post any fossil pictures you send in to [email protected]. Please include a short description or story. Check the #FossilFriday Twitter hash tag for contributions from around the world!
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We received another Fossil Friday contribution from Caden McDonald a few days ago. This time he send us some very nice trilobite photos. He found these in a park in Naperville, IL, which is a typical suburb about 35 miles west of Chicago. These are Calymene celebra trilobites from the Silurian Period, which is the state fossil of Wisconsin.
Previously, Caden sent us a sweet little Annularia sphenophylloides (Fossil Friday #166). He displayed it and other Mazon Creek fossils at the CGMA show back in late May 2023.
Thanks for the contribution, Caden!
