Pit 11, Braidwood, Mazon Creek (Carboniferous of the United States)

Where: Illinois (41.2° N, 88.2° W: paleocoordinates 4.8° S, 23.3° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Francis Creek Shale Member (Carbondale Formation), Westphalian D (309.8 - 307.5 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

Collected by Ramsdell; reposited in the ROM

Primary reference: O. Bethoux and J. Kukalová-Peck. 2011. Royal Ontario Museum - Species List. [M. Clapham/J. Karr/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 124841: authorized by Matthew Clapham, entered by Jered Karr on 25.02.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
  -
Insecta indet.
Insecta indet. Linnaeus 1758 insect
ROM 49495, 58809, 58812
 Dicondylia -
Pterygota indet.
Pterygota indet. Brauer 1885 winged insect
ROM 45572, 47492, 58811, 58813, 58817
 Diaphanopterodea - Prochoropteridae
Prochoroptera calopteryx
Prochoroptera calopteryx Handlirsch 1911 winged insect
ROM 47557, 47491
 Protorthoptera - Eucaenidae
Eucaenus ovalis
Eucaenus ovalis Scudder 1885 winged insect
ROM 58809
 Archaeognatha - Dasyleptidae
Dasyleptus sp.
Dasyleptus sp. Brongniart 1885 jumping bristletails
ROM 47558, 47559