Also known as Reef 319

Where: Brewster County, Texas (30.2° N, 103.4° W: paleocoordinates 1.0° N, 33.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Sullivan Peak Member (Skinner Ranch Formation), Kungurian (279.5 - 272.5 Ma)

• Leonardian (Hessian).

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Collection methods: bulk, chemical,

Primary reference: G. A. Cooper and R. E. Grant. 1972. Permian brachiopods of west Texas, I. Smithsonian Contributions to Paleobiology 14:1-231 [D. Bottjer/M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 75924: authorized by Wolfgang Kiessling, entered by Uta Merkel on 06.11.2007, edited by Matthew Clapham