This is Mazon Monday post #203.  What’s your favorite Mazon Creek fossil?  Tell us at email:esconi.info@gmail.com.  Thanks!

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For Fossil Friday this week, we have an absolutely stunning Alethopteris serlii from the Mazon River.  This specimen was collected by long time ESCONI member Marie Angkuw.  This one was opened via freeze/thaw after being plucked from the river last August. 

Congratulations and thanks for sharing, Marie!