Yen locality B1 (Eocene of the United States)
Where: Sweetwater County, Wyoming (41.3° N, 109.9° W: paleocoordinates 45.2° N, 96.2° W)
• coordinate stated in text
When: Bridger Formation, Bridgerian (50.3 - 46.2 Ma)
• no formation given in original publication, but area now mapped as Bridger Formation
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 191222: authorized by Patricia Holroyd, entered by Patricia Holroyd on 16.01.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Reptilia | |
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Bivalvia | |
Unio cf. shoshonensis freshwater mussel |