Where: Brewster County, Texas (30.3° N, 103.2° W: paleocoordinates 0.1° N, 33.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Skinner Ranch Formation, Artinskian (290.1 - 279.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: slope; 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 75930: authorized by Wolfgang Kiessling, entered by Uta Merkel on 06.11.2007