PT09LLLH, Pottawatomie County (Permian of the United States)

Where: Pottawatomie County, Kansas (39.5° N, 96.4° W: paleocoordinates 1.4° N, 26.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Havensville Shale Member (Wreford Formation), Sakmarian (295.5 - 290.1 Ma)

• lower lower lower Havensville Shale

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, calcareous mudstone

• 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 50997: authorized by Tom Olszewski, entered by Tom Olszewski on 25.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• only bryozoans
Stenolaemata
 Cystoporata - Fistuliporidae
 Cryptostomata - Acanthocladiidae
 Cryptostomata - Fenestellidae
"Fenestella tenax" = Rectifenestella tenax
"Fenestella tenax" = Rectifenestella tenax Ulrich 1888
 Rhabdomesida - Rhomboporidae
 Trepostomida - Stenoporidae
Tabulipora carbonaria Worthen 1875
 Cryptostomida - Girtyporidae