Where: Beaver County, Pennsylvania (40.8° N, 80.5° W: paleocoordinates 7.6° S, 18.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Llewellyn Formation, Westphalian D (309.8 - 307.5 Ma)

• "in dark shale immediately under vein of cannel coal known as Vein C of Prof. Lesley" Scudder, 1879. Vein C (or "Ross Coal") is in the base of the Llewellyn Formation, of Westphalian D age (Edmunds et al., 1979).

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithified, gray, sandy shale

Size class: macrofossils

Preservation: mold/impression

Collected by I. F. Mansfield

Primary reference: S. H. Scudder. 1879. Palaeozoic Cockroaches: A complete revision of the species of both worlds, with an essay toward their classification. Memoirs of the Boston Society of Natural History 3:23-134 [M. Clapham/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117474: authorized by Matthew Clapham, entered by Jered Karr on 22.09.2011, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)