Grayson Ridge (UW V-94030) (Paleocene to of the United States)
Where: Carbon County, Wyoming (41.8° N, 107.0° W: paleocoordinates 47.6° N, 86.8° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: lower Member (Hanna Formation), Torrejonian to Torrejonian (63.3 - 56.8 Ma)
• said to be late Torrejonian to early Tiffanian
Environment/lithology: terrestrial
Reposited in the UW
Primary reference: R. Secord. 1998. Rocky Mountain Geology 33(1):119-154 [J. Alroy/J. Alroy] more details
PaleoDB collection 14848: authorized by John Alroy, entered by John Alroy on 21.09.1998
Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)