Where: Hot Springs/Washakie County, Wyoming (43.9° N, 108.3° W: paleocoordinates 49.6° N, 88.2° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Fort Union Formation, Tiffanian (61.7 - 56.8 Ma)
• Earlier literature referred to this as the 'Polecat Bench Formation'
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Reposited in the UW
Primary reference: J. E. Hartman. 1986. Paleontology and biostratigraphy of lower part of Polecat Bench Formation, southern Bighorn Basin, Wyoming. Contributions to Geology, University of Wyoming 24(1):11-63 [J. Alroy/M. Sommers]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 15014: authorized by John Alroy, entered by John Alroy on 30.04.1994
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Neoplagiaulax sp. Lemoine 1882 multituberculate | |
Anconodon cf. cochranensis Russell 1929 multituberculate | |
Acmeodon secans Matthew and Granger 1921 eutherian | |
Aphronorus fraudator Simpson 1935 eutherian | |
Haplaletes disceptatrix Simpson 1935 elephant shrew | |
Promioclaenus acolytus Cope 1882 condylarth | |
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Plesiadapis praecursor Gingerich 1975 primate
Nannodectes intermedius Gazin 1971 primate |