Where: Grundy County, Illinois (41.3° N, 88.4° W: paleocoordinates 4.6° S, 23.4° W)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

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

• Westphalian C/D

• bed-level stratigraphic resolution

Environment/lithology: interdistributary bay; lithified, nodular, sideritic mudstone

Size class: macrofossils

Preservation: mold/impression

Collected by J.C. Carr; reposited in the USNM

• Colected by J.C. Carr, later donated to Mr. R.D. Lacoe's collection - probably in USNM with rest of Lacoe collection.

Primary reference: S. H. Scudder. 1890. New types of cockroaches from the Carboniferous deposits of the United States. Memoirs of the Boston Society of Natural History 4(9):401-415 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122527: authorized by Matthew Clapham, entered by Matthew Clapham on 02.01.2012

Creative Commons license: CC BY (attribution)