Also known as UTDO

Where: Washington County, Oklahoma (36.9° N, 95.9° W: paleocoordinates 4.5° S, 29.7° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Barnsdall Formation (Lansing Group), Missourian (306.0 - 303.7 Ma)

• "middle portion of the Stanton equivalent Barnsdall Formation"; "the last major transgressive event of the Missourian Stage"

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; gray shale

Size class: macrofossils

Collection methods: bulk, chemical, sieve,

• "Bulk samples [from this collection and others] weighed between 5 and 10 kg and were either oven dried, soaked in light kerosene, and washed through a 500 micrometer sieve or simply washed with water through the sieve"

Primary reference: P. F. Holterhoff. 1997. Filtration models, guilds, and biofacies: crinoid paleoecology of the Stanton Formation (Upper Pennsylvanian), Midcontinent, North America. Palaeogeography, Palaeoclimatology, Palaeoecology 130(1-4):177-208 [J. Alroy/C. Simpson/C. Simpson]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 72368: authorized by John Alroy, entered by John Alroy on 01.06.2007

Creative Commons license: CC BY (attribution)