Where: Maryland (39.5° N, 79.0° W: paleocoordinates 7.6° S, 16.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: 4 ft seam Member (Conemaugh Formation), Stephanian (307.5 - 300.4 Ma)

• top of plane '4 ft' seam, Middle Conemaugh

Environment/lithology: terrestrial; lithified siliciclastic sediments

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by H. Bassler in 1915

• "The whole collection is the property of the Maryland Geological Survey." Cockerell, 1927

Primary reference: T. D. A. Cockerell. 1927. The Carboniferous Insects of Maryland. The Annals and Magazine of Natural History, Ninth Series 19:385-416 [M. Clapham/J. Karr/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124502: authorized by Matthew Clapham, entered by Jered Karr on 16.02.2012

Creative Commons license: CC BY (attribution)