This is the “Fossil Friday” post #225.  Expect this to be a somewhat regular feature of the website.  We will post any fossil pictures you send in to esconi.info@gmail.com.  Please include a short description or story.  Check the #FossilFriday Twitter hash tag for contributions from around the world!

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Today, we have a very colorful Annularia inflata from the Mazon River.  Annularia is some of the foliage from Calamites.   It was described by Leo Lesquereux in 1870.  For more information,  see Mazon Monday #60.

This beautiful specimen was collected from the Mazon River by Jeremy Zimmerman.  Thanks for sharing, Jeremy!