Where: Sheridan County, Wyoming (44.6° N, 106.2° W: paleocoordinates 47.5° N, 93.2° W)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Wasatch Formation, Eocene (56.0 - 33.9 Ma)
• 4 m below 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 more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 236622: authorized by Phillip Jardine, entered by Hannah Morck on 16.10.2024
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Angiospermae | |
Sparganium cf. globipites bur-reed | |
Alnipollenites trina birch | |
unclassified | |
Angiospermae | |
unclassified | |
Angiospermae | |
Erdtmanipollis pachysandroides boxwood | |
Nyssa ingentipollinia tupelo | |
Tilia tetraforaminipites linden | |
unclassified | |
Pteridopsida | |
Leiotriletes spp. Potonie and Kremp 1954 | |
Polypodiopsida | |
Laevigatosporites spp. Ibrahim 1933 | |
Magnoliopsida | |
Periporopollenites sp. Pflug and Thomson 1953 | |
Angiospermae | |
Intratriporopollenites sp. Thomson and Pflug 1953 | |
Alnipollenites verus Potonie 1931 birch | |
Cupuliferoipollenites spp. PotoniƩ | |
Caryapollenites imparalis, Caryapollenites veripites, Momipites wyomingensis, Momipites ventifluminis, Platycarya platycaryoides
Caryapollenites imparalis Nichols and Ott 1978
Caryapollenites veripites Wilson and Webster 1946
Momipites wyomingensis Nichols and Ott 1978
Momipites ventifluminis Nichols and Ott 1978
Platycarya platycaryoides Roche 1969 | |
Triporopollenites spp. Pflug and Thomson 1953 |