Where: Webster County, Kentucky (37.4° N, 87.8° W: paleocoordinates 8.5° S, 25.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Baker Coal Member (Lisman Formation), Desmoinesian (312.8 - 306.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: mire or swamp; coal

Size class: macrofossils

Preservation: mold/impression

Primary reference: K. B. Pigg and G. W. Rothwell. 1983. Chaloneria Gen. Nov.; Heterosporous Lycophytes from the Pennsylvanian of North America. Botanical Gazette 144(1):132-147 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 209588: authorized by Pete Wagner, entered by Pete Wagner on 05.05.2020

Creative Commons license: CC BY (attribution)