OK Creek Section, sample D6761-I (Eocene of the United States)

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)

• 6 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 more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 236615: authorized by Phillip Jardine, entered by Hannah Morck on 16.10.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Angiospermae
 Mesangiosperms - Araceae
 Malvales - Tiliaceae
unclassified
  -
Angiospermae
 Typhales - Commelinidae
unclassified
  -
Angiospermae
 Gunnerales -
unclassified
  -
Angiospermae
 Cornales - Nyssaceae
unclassified
  -
Pteridopsida
  -
Angiospermae
 Buxales - Buxaceae
Ginkgoopsida
 Ephedrales -
Ephedripites spp. Bolkhovitina and PotoniƩ 1958
Pteridopsida
  -
Leiotriletes spp. Potonie and Kremp 1954
Polypodiopsida
  - Osmundaceae
Baculatisporites sp. Thomson and Pflug 1953
  - Polypodiaceae
Magnoliopsida
  -
Malvacipollis spp. Harris 1965
Periporopollenites sp. Pflug and Thomson 1953
"Tricolpites anguloluminosus" = Albertipollenites anguloluminosus Archangelsky 1973
Angiospermae
 Malvales - Tiliaceae
Intratriporopollenites sp. Thomson and Pflug 1953
 Fagales - Betulaceae
Alnipollenites verus Potonie 1931 birch
 Fagales - Juglandaceae
Caryapollenites imparalis Nichols and Ott 1978
Caryapollenites veripites Wilson and Webster 1946
Caryapollenites inelegans Nichols and Ott 1978
Momipites wyomingensis Nichols and Ott 1978
Momipites ventifluminis Nichols and Ott 1978
 Proteales - Proteaceae
Triporopollenites spp. Pflug and Thomson 1953
 Gunnerales -