Where: Wyoming (42.3° N, 111.0° W: paleocoordinates 14.8° N, 32.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Meade Peak Member (Phosphoria Formation), Roadian (272.3 - 268.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, phosphatic shale

Size class: macrofossils

Preservation: mold/impression

Primary reference: K.W. Ciriacks. 1963. Permian and Eotriassic bivalves of the middle Rockies. Bulletin of the American Museum of Natural History 125(1):1-100 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 89636: authorized by Matthew Clapham, entered by Matthew Clapham on 07.06.2009

Creative Commons license: CC BY (attribution)