Where: Hughes County, Oklahoma (35.0° N, 96.4° W: paleocoordinates 7.0° S, 32.3° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Wewoka Formation, Desmoinesian (312.8 - 306.0 Ma)
• "Probably the middle shale of the Wewoka formation"
• member-level stratigraphic resolution
Environment/lithology: marine; poorly lithified, shelly/skeletal, blue shale
Size class: macrofossils
Preservation: replaced with hematite, replaced with other
Collected by G. H. Girty, J. A. Taff, G. I. Adams, R. D. Mesler; reposited in the USNM
Collection methods: surface (float),
• "free specimens, which have weathered out of the shales"
Primary reference: G. H. Girty. 1915. The fauna of the Wewoka Formation of Oklahoma. United States Geological Survey Bulletin 544:1-353 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 90786: authorized by John Alroy, entered by John Alroy on 17.08.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
Crinoidea "stems group A" Miller 1821 Sea lily
Crinoidea "stems group B" Miller 1821 Sea lily | |
"? Poteriocrinus sp." = Propoteriocrinus
"? Poteriocrinus sp." = Propoteriocrinus Schmidt 1934 Sea lily |