Where: Sweetwater County, Wyoming (41.2° N, 108.8° W: paleocoordinates 46.0° N, 92.6° W)

• coordinate stated in text

When: Main Body Member (Wasatch Formation), Wasatchian (55.8 - 50.3 Ma)

• no formation given in original publication, but area now mapped as Main Body of Wasatch; 100 feet above Yen Locality W1

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: T.-C. Yen. 1948. Eocene fresh-water Mollusca from Wyoming. Journal of Paleontology 22(5):634-640 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 191221: authorized by Patricia Holroyd, entered by Patricia Holroyd on 16.01.2018

Creative Commons license: CC BY (attribution)