Where: Coahuila, Mexico (26.4° N, 102.9° W: paleocoordinates 2.0° S, 34.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Palo Quemado Formation, Wordian (266.9 - 264.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Primary reference: G. A. Cooper and R. E. Grant. 1975. Permian Brachiopods of West Texas, III. Smithsonian Contributions to Paleobiology 19:795-1921 [D. Bottjer/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 105513: authorized by Matthew Clapham, entered by Matthew Clapham on 21.02.2011

Creative Commons license: CC BY (attribution)