Little Vermilion River, above Georgetown (Carboniferous of the United States)

Where: Illinois (39.9° N, 87.7° W: paleocoordinates 6.1° S, 23.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Energy Shale Member (Carbondale Formation), Westphalian D (309.8 - 307.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: wet floodplain; lithified, concretionary, sideritic shale

• Illinois basin

Size class: macrofossils

Preservation: mold/impression

Collected by Jasper C. Winslow

Primary reference: S. H. Scudder. 1885. Palaeodictyoptera; or the affinities and classification of Paleozoic Hexapoda. Memoirs of the Boston Society of Natural History 3(11):319-351 [M. Clapham/M. Clapham/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 114476: authorized by Matthew Clapham, entered by Matthew Clapham on 15.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Cnemidolestodea - Spanioderidae
"Propteticus infernus n. gen. n. sp." = Miamia bronsoni
"Propteticus infernus n. gen. n. sp." = Miamia bronsoni Dana 1864 winged insect