Near the mouth of Cottonwood Creek (Bridger B) (Eocene of the United States)

Where: Uinta County, Wyoming (41.2° N, 110.5° W: paleocoordinates 45.2° N, 96.8° W)

• coordinate based on political unit

When: Bridgerian (50.3 - 46.2 Ma)

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by O. P. Hay in 1903; reposited in the AMNH

Primary reference: O. P. Hay. 1908. The fossil turtles of North America. Carnegie Institution of Washington Publication 75:1-568 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 131895: authorized by Roger Benson, entered by Roger Benson on 01.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Testudines - Pantrionychidae
"Plastomenus tantillus n. sp." = Plastomenus thomasii
"Plastomenus tantillus n. sp." = Plastomenus thomasii Cope 1872 turtle
AMNH 5980 juvenile shell
 Testudines - Trionychidae
"Temnotrionyx manducans n. gen. n. sp." = Axestemys byssinus
"Temnotrionyx manducans n. gen. n. sp." = Axestemys byssinus Cope 1872 softshell turtle
AMNH 5929, holotype partial skeleton