Where: Illinois (41.3° N, 80.2° W: paleocoordinates 6.4° S, 17.1° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Francis Creek Shale Member (Carbondale Formation), Westphalian D (311.4 - 306.9 Ma)

Environment/lithology: deltaic; lithified, concretionary, ferruginous mudstone

Size class: macrofossils

Preservation: mold/impression

Collected by J. C. Carr

• Deposited at the University of Illinois Natural History Museum

Primary reference: J. Kukalova-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] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127039: authorized by Matthew Clapham, entered by Amy Delelli on 23.04.2012

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)