Where: Sheridan County, Wyoming (44.6° N, 106.2° W)
• Paleocoordinates: 51.8° N, 78.5° W (Wright 2013)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Wasatch Formation, Eocene (56.0 - 33.9 Ma)
• 52 m above Felix coal (major coal bed).
Environment/lithology: marine; lithology not reported
Size class: microfossils
Preservation: original sporopollenin
Collected by USGS, Denver, Colorado
Collection methods: bulk, chemical, hydrochloric, hydroflouric
• All slides are held in the Denver laboratory of the U.S. Geological Survey.
Primary reference: D. Pocknall. 1986. Palynological data from the Fort Union and Wasatch formations, Powder River basin, Wyoming and Montana. Open-File Report (86-117)more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 236611: authorized by Phillip Jardine, entered by Hannah Morck on 16.10.2024
Creative Commons license: CC0 (CC0)
Taxonomic list
| Angiospermae | |
|
Tilia tetraforaminipites linden | |
| unclassified | |
| Angiospermae | |
|
Alnus scoticus alder | |
| unclassified | |
| Angiospermae | |
|
Sparganium cf. globipites bur-reed | |
| unclassified | |
| Angiospermae | |
|
Intratriporopollenites sp. Thomson and Pflug 1953 | |
Momipites wyomingensis, Caryapollenites imparalis, Caryapollenites veripites, Platycarya platycaryoides
Momipites wyomingensis Nichols and Ott 1978
Caryapollenites imparalis Nichols and Ott 1978
Caryapollenites veripites Wilson and Webster 1946
Platycarya platycaryoides Roche 1969 | |
|
Alnipollenites verus Potonie 1931 birch | |
|
Tricolpites "cf. Eucommia sp." Couper 1953 | |
|
Triporopollenites spp. Pflug and Thomson 1953 | |
| Polypodiopsida | |
|
Gleicheniidites sp. Dettmann 1963 | |
|
Laevigatosporites spp. Ibrahim 1933 | |