Where: Texas (29.9° N, 104.3° W: paleocoordinates 1.1° N, 34.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Breccia Zone Member (Cibolo Formation), Kungurian (279.3 - 272.3 Ma)

• 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 106170: authorized by Matthew Clapham, entered by Matthew Clapham on 03.03.2011

Creative Commons license: CC BY (attribution)