Where: Oklahoma (36.8° N, 99.0° W: paleocoordinates 6.1° N, 26.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Whitehorse Formation, Capitanian (264.3 - 259.5 Ma)

• A few feet above base of Whitehorse Formation, called "Whitehorse lens"

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, dolomitic, red sandstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: N. D. Newell. 1940. Invertebrate fauna of the late Permian Whitehorse Sandstone. Geological Society of America Bulletin 51:261-335 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116653: authorized by Matthew Clapham, entered by Matthew Clapham on 10.09.2011

Creative Commons license: CC BY (attribution)