Where: Texas (31.8° N, 106.5° W: paleocoordinates 2.0° N, 35.9° W)

When: Hueco Canyon Formation, Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified limestone

Size class: macrofossils

Preservation: replaced with silica

Primary reference: G. A. Cooper and R. E. Grant. 1976. Permian Brachiopods of west Texas, V. Smithsonian Contributions to Paleobiology 24:2609-3159 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 105517: authorized by Matthew Clapham, entered by Matthew Clapham on 21.02.2011

Creative Commons license: CC BY (attribution)