Mercer, quarry above state hospital (Carboniferous of the United States)

Where: Pennsylvania (41.2° N, 80.2° W: paleocoordinates 8.8° S, 19.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pottsville Formation, Atokan (318.1 - 311.4 Ma)

• 10 feet below top of Connoquenessing

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithified siliciclastic sediments

• Appalachian foreland basin

Size class: macrofossils

Preservation: mold/impression, adpression

Collected by Harvey Bassler in 1916; reposited in the USNM

Primary reference: T. D. A. Cockerell. 1918. New species of North American fossil beetles, cockroaches, and tsetse flies. Proceedings of the United States National Museum 54:301-311 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 140161: authorized by Matthew Clapham, entered by Matthew Clapham on 04.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Dicondylia -
Blattodea indet. Brunner von Wattenwyl 1882 cockroach
pronotum "probably A. reducta"; fragment of apparently new genus
 Blattodea - Necymylacridae
Atimoblatta reducta n. sp. Cockerell 1918 cockroach
USNM 64342