Mazon Creek #340: Neuropteris thompsoniana #fossils #paleontology #MazonMonday #MazonCreek #seedfern #pennsylvanian #carboniferous

This is Mazon Monday post #340.  What’s your favorite Mazon Creek fossil?  Tell us…

https://esconi.org/2026/09/mazon-creek-340-neuropteris-thompsoniana/

Fossil Friday #334: Mariopteris from Pit 4 #fossils #paleontology #MazonCreek #FossilFriday #pennsylvanian #carboniferous #seedfern

I was talking to Ralph Jewell and Jeremy Zimmerman at the Braceville field trip a few weeks ago…

https://esconi.org/2026/09/fossil-friday-334-mariopteris-from-pit-4/