Where: Illinois (41.3° N, 88.2° W: paleocoordinates 4.7° S, 23.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Francis Creek Shale Member (Carbondale Formation), Westphalian D (309.8 - 307.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: interdistributary bay; lithified, concretionary, ferruginous shale

Size class: macrofossils

Preservation: mold/impression, concretion

Collected by Francis A. Wolff in 1960; reposited in the FMNH

Primary reference: J. Kukalová-Peck and E. S. Richardson. 1983. New Homoiopteridae (Insecta: Paleodictyoptera) with wing articulation from Upper Carboniferous strata of Mazon Creek, Illinois. Canadian Journal of Zoology 61:1670-1687 [M. Clapham/A. Delelli/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127036: authorized by Matthew Clapham, entered by Amy Delelli on 23.04.2012, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)