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)
• Channel (1m) of Felix coal (major coal bed).
Environment/lithology: terrestrial; coal
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 236616: authorized by Phillip Jardine, entered by Hannah Morck on 16.10.2024
Creative Commons license: CC0 (CC0)
Taxonomic list
Angiospermae | |
Nyssa ingentipollinia tupelo | |
Tilia tetraforaminipites linden | |
unclassified | |
Angiospermae | |
Sparganium cf. globipites bur-reed | |
unclassified | |
Angiospermae | |
unclassified | |
Angiospermae | |
Intratriporopollenites sp. Thomson and Pflug 1953 | |
Momipites wyomingensis, Caryapollenites imparalis, Caryapollenites veripites, Caryapollenites inelegans, Platycarya platycaryoides
Momipites wyomingensis Nichols and Ott 1978
Caryapollenites imparalis Nichols and Ott 1978
Caryapollenites veripites Wilson and Webster 1946
Caryapollenites inelegans Nichols and Ott 1978
Platycarya platycaryoides Roche 1969 | |
Alnipollenites verus Potonie 1931 birch | |
Tricolpites "cf. Eucommia sp." Couper 1953 | |
Triporopollenites spp. Pflug and Thomson 1953 | |
Liliacidites spp. Couper 1953 | |
Polypodiopsida | |
Gleicheniidites sp. Dettmann 1963 | |
Baculatisporites sp. Thomson and Pflug 1953 | |
Laevigatosporites spp. Ibrahim 1933 | |
Pteridopsida | |
Leiotriletes spp. Potonie and Kremp 1954 | |
Bryopsida | |
Stereisporites spp. Pflug 1953 |