Where: Jackson County, Illinois (37.8° N, 89.3° W: paleocoordinates 6.0° S, 24.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Zone 6 zone, Des Moines Group, Podolskian to Podolskian (311.4 - 309.0 Ma)

Environment/lithology: coal

Size class: macrofossils

Primary reference: C. B. Read. 1947. Pennsylvanian floral zones and floral provinces. Journal of Geology 55:271-279 [H. Sims/S. Ostrowski] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 11193: authorized by Hallie Sims, entered by Summer Ostrowski on 23.07.2001, edited by Heather Lindon