Where: Texas (30.3° N, 103.3° W: paleocoordinates 1.0° N, 33.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Top

• group of beds-level stratigraphic resolution

Environment/lithology: slope; 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 105818: authorized by Matthew Clapham, entered by Matthew Clapham on 25.02.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)