Morris, Mazon Creek (J.G. Bronson coll) (Carboniferous of the United States)

Where: Grundy County, Illinois (41.3° N, 88.4° W: paleocoordinates 4.6° S, 23.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: interdistributary bay; lithified, nodular, sideritic mudstone

• Illinois basin

Size class: macrofossils

Preservation: mold/impression

Collected by John G. Bronson; reposited in the YPM

Primary reference: J. D. Dana. 1864. On fossil insects from the Carboniferous formation in Illinois. The American Journal of Science and Arts, Second Series 37:34-35 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 151543: authorized by Matthew Clapham, entered by Matthew Clapham on 06.10.2013, edited by Jered Karr

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Cnemidolestodea - Spanioderidae
Miamia bronsoni n. gen. n. sp.
Miamia bronsoni n. gen. n. sp. Dana 1864 winged insect
YPM 1010
 Protorthoptera -
Hemeristia occidentalis n. gen. n. sp.
Hemeristia occidentalis n. gen. n. sp. Dana 1864 winged insect
YPM 1011