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: Speiser Shale Member (Wreford Formation), Sakmarian (293.5 - 290.1 Ma)
• upper upper Speiser 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 51145: authorized by Tom Olszewski, entered by Tom Olszewski on 28.05.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Stenolaemata | |
Tabulipora carbonaria Worthen 1875 | |
Syringoclemis wrefordensis Newton 1971 | |
Septopora spinulosa Moore 1929 | |
"Fenestella spinulosa" = Spinofenestella spinulosa, Minilya binodata, "Fenestella tenax" = Rectifenestella tenax
"Fenestella spinulosa" = Spinofenestella spinulosa Condra 1902
Minilya binodata Condra 1902
"Fenestella tenax" = Rectifenestella tenax Ulrich 1888 | |
Penniretepora auernigiana, Penniretepora curvula, Penniretepora flexistriata, Acanthocladia guadalupensis, "Protoretepora elliptica" = Polypora elliptica, Polypora aestacella
Penniretepora auernigiana Ceretti 1963
Penniretepora curvula Richards 1959
Penniretepora flexistriata Richards 1959
Acanthocladia guadalupensis Girty 1908
"Protoretepora elliptica" = Polypora elliptica Rogers 1900
Polypora aestacella Moore 1929 | |
Rhombopora lepidodendroides Meek 1872 | |
Gymnolaemata | |
Condranema magna Condra and Elias 1944 |