Where: Texas (30.4° N, 103.2° W: paleocoordinates 1.4° N, 33.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: China Tank Member (Word Formation), Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Preservation: replaced with silica

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 105933: authorized by Matthew Clapham, entered by Matthew Clapham on 27.02.2011

Creative Commons license: CC BY (attribution)