Where: Butler County, Kansas (38.7° N, 96.5° W: paleocoordinates 0.8° N, 26.7° W)

• coordinate estimated from map

When: Speiser Shale Formation (Chase Group), Sakmarian (293.5 - 290.1 Ma)

• Upper upper Speiser Shale

•Vertebrate remains extracted from the same horizons throughout the Wreford Megacyclothem, Chase Group, Gearyan Stage, Lower Permian.

Environment/lithology: offshore; lithified, green shale

Size class: macrofossils

Preservation: mold/impression

Collection methods: acetic

• Repository: Museum of Natural History, University of Kansas (KUVP)

Primary reference: H. Schultze. 1985. Marine to Onshore Vertebrates in the Lower Permian of Kansas and their Paleoenvironmental Implications. University of Kansas Paleontological Contributions 113:1-18 [M. Clapham/P. Vazquez/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 130828: authorized by Matthew Clapham, entered by Priscilla Vazquez on 14.07.2012

Creative Commons license: CC BY (attribution)