Where: Marshall County, Kansas (39.8° N, 96.5° W: paleocoordinates 1.7° N, 26.1° W)
• coordinate based on nearby landmark
• 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 51128: 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 magna Condra and Elias 1944 | |
Stenolaemata | |
Tabulipora carbonaria Worthen 1875 | |
Syringoclemis wrefordensis Newton 1971 | |
Rhombopora lepidodendroides Meek 1872 | |
Septopora spinulosa Moore 1929 | |
"Protoretepora elliptica" = Polypora elliptica, Acanthocladia guadalupensis, Penniretepora auernigiana, Penniretepora flexistriata, Penniretepora curvula
"Protoretepora elliptica" = Polypora elliptica Rogers 1900
Acanthocladia guadalupensis Girty 1908
Penniretepora auernigiana Ceretti 1963
Penniretepora flexistriata Richards 1959
Penniretepora curvula Richards 1959 | |
"Fenestella tenax" = Rectifenestella tenax, Minilya binodata, "Fenestella spinulosa" = Spinofenestella spinulosa
"Fenestella tenax" = Rectifenestella tenax Ulrich 1888
Minilya binodata Condra 1902
"Fenestella spinulosa" = Spinofenestella spinulosa Condra 1902 |