Where: Sweetwater County, Wyoming (41.6° N, 110.0° W: paleocoordinates 45.6° N, 96.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• "in the Eocene, Bridger"

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by E. C. Case in 1926; reposited in the UMMP

Primary reference: E. C. Case. 1927. A new species of trionychid turtle, Amyda nelsoni, from the Eocene beds of southwestern Wyoming. Contributions from the Museum of Geology, University of Michigan 2(11):223-226 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 99835: authorized by John Alroy, entered by John Alroy on 24.11.2010, edited by Terri Cleary

Creative Commons license: CC BY (attribution)