Where: Arizona (36.2° N, 112.1° W: paleocoordinates 10.2° N, 36.6° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• Near top of "B" member, or upper massive limestone

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified sandstone

Size class: macrofossils

Preservation: replaced with silica

Collected by Charles Merriam in 1928

• Repository: Grand Canyon National Park Museum

Primary reference: E. D. McKee. 1935. A Conularia from the Permian of Arizona. Journal of Paleontology 9:427-429 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 148522: authorized by Matthew Clapham, entered by Matthew Clapham on 21.07.2013

Creative Commons license: CC BY (attribution)