Where: Sweetwater County, Wyoming (42.7° N, 109.2° W: paleocoordinates 45.9° N, 96.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Bridgerian to Bridgerian (50.3 - 39.7 Ma)
• "light colored clay, 100 feet below horizon of Haystack Butte"
Environment/lithology: terrestrial; claystone
Size class: macrofossils
Collected by J. Heisey; reposited in the YPM
Primary reference: R. W. Shufeldt. 1915. Fossil birds in the Marsh Collection of Yale University. Transactions of the Connecticut Academy of Arts and Sciences 19:1-110 [M. Uhen/M. Uhen/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 224184: authorized by Matthew Carrano, entered by Matthew Carrano on 24.01.2022
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Phasianus alfhildae n. sp.
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Aves | |
Accipitridae indet. Viellot 1816 hawk YPM 982 ("A large Eagle related to Haliaeetus leucocephalus?")
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