Where: Chase County, Kansas (38.2° N, 96.4° W: paleocoordinates 0.3° N, 26.9° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Havensville Shale Member (Wreford Formation), Sakmarian (293.5 - 290.1 Ma)
• upper upper Havensville Shale
• bed-level stratigraphic resolution
Environment/lithology: offshore; lithified, calcareous mudstone
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 51036: authorized by Tom Olszewski, entered by Tom Olszewski on 26.05.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Stenolaemata | |
Rhombopora lepidodendroides Meek 1872 | |
Tabulipora carbonaria1 Worthen 1875 | |
Syringoclemis wrefordensis Newton 1971 | |
Septopora spinulosa Moore 1929 | |
Acanthocladia guadalupensis Girty 1908 | |
Minilya binodata, "Fenestella spinulosa" = Spinofenestella spinulosa, "Fenestella tenax" = Rectifenestella tenax
Minilya binodata Condra 1902
"Fenestella spinulosa" = Spinofenestella spinulosa Condra 1902
"Fenestella tenax" = Rectifenestella tenax Ulrich 1888 | |
Fistulipora incrustans2 Moore 1929
Fistulipora carbonaria2 Ulrich 1884 | |
Gymnolaemata | |
Condranema magna Condra and Elias 1944 |