Mazon Monday #343: 1990 Mazon Creek Open House #fossils #paleontology #MazonCreek #MazonMonday #pennsylvanian #carboniferous #history

The Mazon Creek Open House was first held in early 1984. It was an extension of the Mazon…

https://esconi.org/2026/10/mazon-monday-343-1990-mazon-creek-open-house/

Mazon Monday #342: Jeanerpeton mazonensis – A new Mazon Creek tetrapod! #fossils #paleontology #MazonCreek #MazonMonday #verebrate #pit11 #Carboniferous #Pennsylvanian #FieldMuseum

The Mazon Creek fossil biota has a new member...…

https://esconi.org/2026/09/mazon-monday-342-jeanerpeton-mazonensis/

Mazon Monday #341: Titanoscorpio douglassi #fossils #paleontology #MazonCreek #MazonMonday #pennsylvanian #carboniferous #scorpions

Titanoscorpio douglassi is known from just three specimens, but the holotype is a breathtaking…

https://esconi.org/2026/09/mazon-monday-341-titanoscorpio-douglassi/

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/

Mazon Monday #339: Braceville Fall 2026 Field Trip Report #fossils #paleontology #MazonCreek #MazonMonday #fieldtrip #Braceville #WormHill #pennsylvanian #carboniferous

At the end of August, ESCONI held our annual…

https://esconi.org/2026/09/mazon-monday-339-braceville-fall-2026-field-trip-report/