This is the “Fossil Friday” post #261.  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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We have one of the rarer Mazon Creek seed ferns for this week’s Fossil Friday.  This is Crossotheca boulayi, which we featured for Mazon Monday #264. Crossotheca boulayi was described by Charles Rene Zeiller in 1886.

This specimen was collected from Pit 3 and opened via freeze/thaw in January 2025.