Yen locality B2 (Eocene of the United States)

Where: Sweetwater County, Wyoming (41.5° N, 110.1° W: paleocoordinates 45.5° N, 96.4° W)

• coordinate stated in text

When: Bridger Formation, Bridgerian (50.3 - 46.2 Ma)

• "Bridger B"

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 191223: authorized by Patricia Holroyd, entered by Patricia Holroyd on 16.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

 Architaenioglossa - Viviparidae
 Sorbeoconcha - Pleuroceridae