Where: Arizona (35.7° N, 113.3° W: paleocoordinates 10.2° N, 37.4° W)

When: Fossil Mountain Member (Kaibab Formation), Kungurian (279.3 - 272.3 Ma)

• Beta Member

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, cherty/siliceous limestone

Size class: macrofossils

Preservation: mold/impression

Primary reference: G. A. Cooper and R. E. Grant. 1974. Permian brachiopods of West Texas, II. Smithsonian Contributions to Paleobiology 15:233-793 [T. Olszewski/L. Fall]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 105506: authorized by Matthew Clapham, entered by Matthew Clapham on 21.02.2011

Creative Commons license: CC BY (attribution)