title: Fern Glen Formation
text: # Fern Glen Formation
  
  The Fern Glen Formation is a geologic formation in eastern and southeastern Missouri. It preserves fossils dating back to the Osagean Series of the Mississippian subperiod.
  
  The Fern Glen is richly fossiliferous with abundant crinoids, corals, brachiopods and bryozoa.
  
  