Where: Arizona (35.1° N, 111.3° W: paleocoordinates 9.1° N, 36.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Alpha Member (Kaibab Formation), Roadian (272.5 - 268.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified carbonate

Size class: macrofossils

Primary reference: J. L. Cisne. 1971. Paleoecology of trilobites of the Kaibab limestone (Permian) in Arizona, Utah, and Nevada. Journal of Paleontology 45(3):525-533 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 105417: authorized by Matthew Clapham, entered by Matthew Clapham on 20.02.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)