Where: Brown County, Illinois (40.0° N, 90.0° W: paleocoordinates 14.1° S, 34.4° W)
When: Mississippian (358.9 - 323.2 Ma)
Environment/lithology: argillaceous siltstone and sandstone
Collection methods: Specimens used are currently in the collections of the Illinois State Museum.
Primary reference: R. Leary and H. W. Pfefferkorn. 1977. An Early Pennsylvanian Flora with Megalopteris and Noeggerathiales from West-Central Illinois. Illinois State Geological Survey 1-77 [R. Gastaldo/J. Allen/J. Allen]more details
Purpose of describing collection: taphonomic analysis
PaleoDB collection 13511: authorized by Robert Gastaldo, entered by Jonathan Allen on 10.04.2002
Creative Commons license: CC BY (attribution)