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
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
Myriapoda | |
Acantherpestes major Meek and Worthen 1868 millipede
Euphoberia armigera Meek and Worthen 1868 millipede
Euphoberia carri Scudder 1882 millipede | |
Insecta | |
"Promylacris testudo n. sp." = Metachorus testudo
"Promylacris testudo n. sp." = Metachorus testudo Scudder 1890 cockroach |