Where: Sweetwater County, Wyoming (41.5° N, 109.8° W: paleocoordinates 45.5° N, 96.0° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Bridger Formation, Bridgerian (50.3 - 46.2 Ma)
• single specimen; unit or level within the Bridger not indicated
• bed-level stratigraphic resolution
Environment/lithology: mire or swamp; gray claystone
Size class: macrofossils
Collection methods: surface (in situ),
Primary reference: R. Zangerl. 1944. Aspideretes annae n. sp., a new species of soft shell turtle from the Bridger Eocene of Wyoming. American Midland Naturalist 31(3):583-591 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 27382: authorized by John Alroy, entered by John Alroy on 04.12.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Aspideretes annae n. sp." = Trionyx ellipticus
"Aspideretes annae n. sp." = Trionyx ellipticus Hay 1908 softshell turtle |