Where: Idaho (43.0° N, 112.2° W: paleocoordinates 12.6° N, 35.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Thaynes Formation, Spathian (251.3 - 247.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Preservation: mold/impression

Reposited in the MCZ

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 126930: authorized by Matthew Clapham, entered by Matthew Clapham on 20.04.2012, edited by Bethany Allen

Creative Commons license: CC BY (attribution)