Williams Coal Company Mine, Catoosa (Carboniferous of the United States)

Where: Georgia (34.9° N, 85.4° W: paleocoordinates 13.2° S, 26.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Walden Sandstone Formation (Pottsville Group), Yeadonian (320.0 - 318.7 Ma)

• According to Butts’ account of the stratigraphy of the Paleozoic area in northwest Georgia (Butts and Gildersleeve, 1948, pp. 54-56), the coal mines at Durham are in the Walden sandstone part of the Pottsville Series. Butts states that "according to the best knowledge, the Pottsville Series of Georgia is of Lower Pottsville age and falls within the limits of the Lee Conglomerate of Tennessee and Virginia and corresponds approximately to the lower part of the Pottsville of the anthracite coal fields of Pennsylvania which carry the Lykens number 4 and 5 and the Lykens Valley coals. The lower Lyken coals are Namurian C in age, according to Edmunds et al. (1979).

Environment/lithology: terrestrial; sandstone

• Appalachian foreland basin

Size class: macrofossils

Preservation: mold/impression

Collected by Charles B. Read in May, 1939; reposited in the USNM

Primary reference: F. M. Carpenter. 1960. Studies on North American Carboniferous Insects: 1. The Protodonata. Psyche 67:98-110 [C. Labandeira/C. Labandeira/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 111035: authorized by Matthew Clapham, entered by Jered Karr on 18.06.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Meganisoptera - Meganeuridae
"Typus durhami n. sp." = Carpentertypus durhami
"Typus durhami n. sp." = Carpentertypus durhami Carpenter 1960 griffinfly