Where: Lyon County, Kansas (38.7° N, 96.3° W: paleocoordinates 0.6° N, 26.5° 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 51146: authorized by Tom Olszewski, entered by Tom Olszewski on 28.05.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Stenolaemata | |
Rhombopora lepidodendroides Meek 1872 | |
Syringoclemis wrefordensis Newton 1971 | |
"Protoretepora elliptica" = Polypora elliptica, Penniretepora flexistriata, Penniretepora curvula, Penniretepora auernigiana, Acanthocladia guadalupensis
"Protoretepora elliptica" = Polypora elliptica Rogers 1900
Penniretepora flexistriata Richards 1959
Penniretepora curvula Richards 1959
Penniretepora auernigiana Ceretti 1963
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 | |
Septopora spinulosa Moore 1929 | |
Gymnolaemata | |
Condranema magna Condra and Elias 1944 |