Galesburg Flora (Carboniferous of the United States)

Where: Knox County, Illinois (40.0° N, 90.0° W: paleocoordinates 5.8° S, 25.6° W)

• coordinate based on nearby landmark

When: Purington Shale Formation, Pennsylvanian (323.2 - 298.9 Ma)

Environment/lithology: fluvial-deltaic; shale

Size class: macrofossils

Primary reference: H. W. Pfefferkorn. 1979. High diversity and stratigraphic age of the Mazon Creek flora (In M. Nitcki (ed.)). Mazon Creek Fossils. University of Chicago Press, Chicago, IL USA 129-142 [H. Sims/S. Ostrowski]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 11190: authorized by Hallie Sims, entered by Summer Ostrowski on 23.07.2001, edited by Heather Lindon

Creative Commons license: CC BY (attribution)

Taxonomic list

 Cordaitanthales -
Cordaites sp. Unger 1850
 Filicinae -
Pecopteris sp. Brongniart 1822
"Alethopteris sp." = Pecopteris (Alethopteris) Sternberg 1825
 Equisetales - Equisetidae
Asterophyllites sp. Brongniart 1828
Annularia sp. Sternberg 1821
  - Osmundaceae
Stellatheca sp. Danzea 1956
 Marattiales - Marattiidae
Ptychocarpus sp. Weiss 1869
  - Sigillariaceae
Sigillaria sp. Brongniart 1822
 Lepidodendrales - Lepidodendraceae
Lepidophloios sp. Sternberg 1825
  - Sphenopteridae
Sphenopteris sp. Sternberg 1825
 Sphenophyllales -
Sphenophyllum sp. K├Ânig 1825
 Radiatopses - Medullosaceae
Neuropteris sp. Brongniart 1828
Mariopteris sp. Zeiller 1879