GE18ULLH, Geary County (Permian of the United States)

Where: Geary County, Kansas (39.1° N, 96.7° W: paleocoordinates 1.6° N, 26.4° W)

• coordinate based on political unit

• small collection-level geographic resolution

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

• upper 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 51035: authorized by Tom Olszewski, entered by Tom Olszewski on 26.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• only bryozoans
Gymnolaemata
 Ctenostomata - Vinellidae
Condranema magna Condra and Elias 1944
Stenolaemata
 Cystoporata - Fistuliporidae
 Cryptostomata - Septoporidae
 Rhabdomesida - Rhomboporidae
 Trepostomida - Stenoporidae
Tabulipora carbonaria Worthen 1875
 Cystoporida - Hexagonellidae
Meekopora prosseri Ullrich 1890
 Cryptostomida - Girtyporidae