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

• coordinate estimated from map

• outcrop-level geographic resolution

When: Poplar Tank Member (Skinner Ranch Formation), Kungurian (279.3 - 272.3 Ma)

• 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 105841: authorized by Matthew Clapham, entered by Matthew Clapham on 26.02.2011

Creative Commons license: CC BY (attribution)