KU-WAB-12, Maple Hill, Wabaunsee County (Carboniferous of the United States)

Where: Kansas (39.1° N, 96.1° W: paleocoordinates 1.1° S, 27.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pony Creek Member (Wood Siding Formation), Gzhelian (303.7 - 298.9 Ma)

• Approximately 2 m below the Brownville Limestone.

• group of beds-level stratigraphic resolution

Environment/lithology: estuary or bay; lithified, nodular, black shale

• Interpreted as a transition from an estuary or tidal flat to nonmarine soils
• Fissile black shale with brown limestone nodules

Size class: macrofossils

Preservation: adpression

Collected by Lynn Swafford

Primary reference: K. E. Mickle and K. Bader. 2009. A new platysomid from the Upper Carboniferous of Kansas (USA) and remarks on the systematics of deep-bodied lower actinopterygians. Acta Zoologica 90(Suppl 1):211-219 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120926: authorized by Matthew Clapham, entered by Matthew Clapham on 24.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Xiphosura
 Xiphosurida - Paleolimulidae
Paleolimulus signatus Beecher 1904
Osteichthyes
 Palaeonisciformes - Platysomidae
Platysomus swaffordae n. sp. Mickle and Bader 2009
Chondrichthyes
 Ctenacanthiformes - Ctenacanthidae
Ctenacanthidae indet. Dean 1909 elasmobranch
spine