Where: Pontotoc County, Oklahoma (34.9° N, 96.5° W: paleocoordinates 7.1° S, 32.4° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Wewoka Formation, Desmoinesian (312.8 - 306.0 Ma)

• "both from the lower shale, 50 feet below the sandstone"

• 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 90787: authorized by John Alroy, entered by John Alroy on 17.08.2009, edited by Pete Wagner

Creative Commons license: CC BY (attribution)