Pit 6, Coal City, Mazon Creek (Douglass coll) (Carboniferous of the United States)

Where: Illinois (41.3° N, 88.2° W: paleocoordinates 4.7° S, 23.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Francis Creek Shale Member (Carbondale Formation), Westphalian D (311.4 - 306.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deltaic; lithified, concretionary, ferruginous mudstone

• Illinois basin
• ironstone concretions

Size class: macrofossils

Preservation: mold/impression, concretion

Collection methods: Repository: collection of Mr. David Douglass, Western Springs, Illinois

Primary reference: F. M. Carpenter and E. S. Richardson. 1968. Megasecopterous nymphs in Pennsylvania concretions from Illinois. Psyche 75(4):295-309 [C. Labandeira/C. Labandeira/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 161914: authorized by Matthew Clapham, entered by Matthew Clapham on 15.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Megasecoptera - Mischopteridae
Mischoptera douglassi n. sp. Carpenter and Richardson 1968 winged insect
No. 39