Yen locality W2 (Eocene of the United States)
Where: Hot Springs County, Wyoming (44.0° N, 108.5° W: paleocoordinates 48.8° N, 91.5° W)
• coordinate stated in text
When: Willwood Formation, Wasatchian (55.8 - 50.3 Ma)
• no formation given in original publication, but area now mapped as Willwood 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 191220: 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
Gastropoda | |
Goniobasis tenera snail | |
Physa sp. Draparnaud 1801 snail | |
Bivalvia | |
Unio washakiensis freshwater mussel
Unio sp. Philipsson 1788 freshwater mussel |