Where: Will County, Illinois (41.3° N, 88.2° W: paleocoordinates 5.3° S, 23.8° W)

• coordinate based on political unit

When: Pennsylvanian (323.2 - 298.9 Ma)

• Francis Creek Shale, Carbondale Formation, Kewanee Group

Environment/lithology: coal ball

Primary reference: C. W. Good. 1975. Pennsylvanian-Age Calamitean Cones, Elater-Bearing Spores, and Associated Vegetative Organs. Palaeontographica 153:28-99 [R. Gastaldo/J. Allen/M. Uhen]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 14000: authorized by Robert Gastaldo, entered by Jonathan Allen on 08.05.2002

Creative Commons license: CC BY (attribution)