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

• group of beds-level stratigraphic resolution

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

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Birmingham University (BU)

Primary reference: L. J. Wills. 1960. The external anatomy of some Carboniferous "scorpions" part 2. Palaeontology 3:276-332 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 133093: authorized by Matthew Clapham, entered by Priscilla Vazquez on 01.09.2012, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)