Where: Riley County, Kansas (39.1° N, 96.5° W: paleocoordinates 1.8° N, 26.1° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Speiser Shale Member (Wreford Formation), Sakmarian (293.5 - 290.1 Ma)
• upper upper Speiser Shale
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly 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 51122: authorized by Tom Olszewski, entered by Tom Olszewski on 28.05.2005, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Gymnolaemata | |
Condranema parvula Condra and Elias 1944
Condranema magna Condra and Elias 1944 | |
Stenolaemata | |
Syringoclemis wrefordensis Newton 1971 | |
Rhombopora lepidodendroides Meek 1872 | |
Septopora spinulosa Moore 1929 | |
Acanthocladia guadalupensis Girty 1908 | |
Minilya binodata, "Fenestella spinulosa" = Spinofenestella spinulosa
Minilya binodata Condra 1902
"Fenestella spinulosa" = Spinofenestella spinulosa Condra 1902 |