Where: Osage County, Oklahoma (36.9° N, 96.7° W: paleocoordinates 1.3° S, 28.1° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Cottonwood Limestone Member (Beattie Limestone Formation), Asselian (298.9 - 295.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Collected by D. F. Merriam

Collection methods: surface (in situ),

Primary reference: D. E. Hattin. 1959. An occurrence of Ophiuraster burrisi Miller. Journal of Paleontology 33(6):1125-1128 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 94603: authorized by Loic Villier, entered by Loic Villier on 04.03.2010