Benson's Clay Mine, Big Savage Mt. (Carboniferous of the United States)

Where: Maryland (39.5° N, 79.1° W: paleocoordinates 9.7° S, 18.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Mt Savage Fire Clay Horizon Member (Allegheny Formation), Moscovian (315.2 - 307.0 Ma)

Environment/lithology: terrestrial; shale

• Appalachian foreland basin

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by H. Bassler

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

Primary reference: T. D. A. Cockerell. 1924. Fossil Insects. Entomological News 35:28-30 [C. Labandeira/C. Labandeira/M. Kosnik]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124496: authorized by Matthew Clapham, entered by Jered Karr on 16.02.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Cnemidolestodea - Cnemidolestidae
Narkema alternatum n. sp.
Narkema alternatum n. sp. Cockerell 1924 winged insect
 Cnemidolestodea - Spanioderidae
? Spaniodera simplex n. sp.
? Spaniodera simplex n. sp. Cockerell 1927 winged insect
 Protorthoptera -
Melanoblattula nigrescens n. gen. n. sp.
Melanoblattula nigrescens n. gen. n. sp. Cockerell 1927 winged insect
 Dicondylia - Cheliphlebiidae
? Cheliphlebia argillacea n. sp.
? Cheliphlebia argillacea n. sp. Cockerell 1927 winged insect
 Blattodea - Gyroblattidae
Pachyblatta convexa n. gen. n. sp.
Pachyblatta convexa n. gen. n. sp. Cockerell 1918 cockroach
 Dicondylia - Spiloblattinidae
Olethroblatta lineolata n. sp.
Olethroblatta lineolata n. sp. Cockerell 1927 winged insect
 Dicondylia - Ambloblattidae
Ambloblatta bassleri n. gen. n. sp.
Ambloblatta bassleri n. gen. n. sp. Cockerell 1927 winged insect