Where: Brewster County, Texas (30.4° N, 103.2° W: paleocoordinates 1.6° N, 33.0° W)

• coordinate based on unpublished field data

• outcrop-level geographic resolution

When: Word Formation, Wordian (268.0 - 265.0 Ma)

• Lens, approximately 2 feet thick, between Willis Ranch and Appel Ranch Members.

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; shelly/skeletal, red, sandy packstone and shelly/skeletal, gray wackestone

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 43550: authorized by David Bottjer, entered by Matthew Clapham on 14.08.2004, edited by Pete Wagner