BU04LMSh, Butler County (Permian of the United States)

Where: Butler County, Kansas (37.8° N, 96.5° W: paleocoordinates 0.0° N, 27.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Schroyer Limestone Member (Wreford Formation), Sakmarian (293.5 - 290.1 Ma)

• lower middle Schroyer Limestone

• bed-level stratigraphic resolution

Environment/lithology: offshore; calcareous limestone

• normal salinity, low turbulence, shallow-marine waters, perhaps between 3 to 16 meters deep, epeiric platform

Size class: macrofossils

Preservation: original calcite

Collection methods: chemical, sieve,

Primary reference: J. F. Pachut and R. J. Cuffey. 1999. Stratigraphic and Geographic Bryozoan Abundance Gradients in the Calcareous Shales of the Wreford Megacyclothem (Lower Permian, Kansas). The University of Kansas Paleontological Contributions New Series (10)1-17 [T. Olszewski/K. Tracy/L. Fall]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 51117: authorized by Tom Olszewski, entered by Tom Olszewski on 28.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• only bryozoans
Gymnolaemata
 Ctenostomata - Vinellidae
Condranema magna Condra and Elias 1944
Stenolaemata
 Cystoporata - Fistuliporidae
 Trepostomida - Stenoporidae
Tabulipora carbonaria Worthen 1875
 Cryptostomida - Girtyporidae
 Rhabdomesida - Rhomboporidae
 Cryptostomata - Septoporidae
 Cryptostomata - Acanthocladiidae