Mazon Creek (Columbia University collection) (Carboniferous of the United States)

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

• coordinate estimated from map

• local area-level geographic resolution

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

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

• Illinois basin
• ironstone concretions

Size class: macrofossils

Preservation: mold/impression

Collection methods: Received for examination from Dr. J.S. Newberry. Specimen is in the Columbia School of Mines/Columbia College (now Columbia University).

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 122528: authorized by Matthew Clapham, entered by Matthew Clapham on 02.01.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Myriapoda
 Euphoberiida - Euphoberiidae
Euphoberia armigera, Euphoberia carri, Acantherpestes major
Euphoberia armigera Meek and Worthen 1868 millipede
Euphoberia carri Scudder 1882 millipede
Acantherpestes major Meek and Worthen 1868 millipede
Insecta
 Blattodea - Archimylacridae
"Promylacris testudo n. sp." = Metachorus testudo
"Promylacris testudo n. sp." = Metachorus testudo Scudder 1890 cockroach