This is the "Fossil Friday" post #224. 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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Alethopteris serlii is always a favorite. They are usually distinctive fossils, quite often preserved in 3-D. A. serlii was a seed fern from the Carboniferous Period. It is fairly common found in the Mazon Creek fossil deposits. It was named by Alexandre Brongniart (1770 - 1847) in 1836. For more information see Mazon Monday #57.
This particular specimen was collected in Pit 11 quite a few years ago.
