Where: Wyoming (44.0° N, 110.0° W: paleocoordinates 46.8° N, 98.4° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Sepulcher Formation, Middle Eocene (47.8 - 37.7 Ma)
• This collection has also been divided into collections consisting of single beds. However, some occurrences in Knowlton 1899 are assigned to "Fossil Forest" with the bed unspecified.
• group of beds-level stratigraphic resolution
Environment/lithology:
Size class: macrofossils
Preservation: mold/impression, adpression
Collection methods: surface (in situ),
Primary reference: F. H. Knowlton. 1899. Fossil Flora of the Yellowstone National Park. USGS Monograph Series 32(2) [H. Sims/H. Lindon/H. Lindon]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 35583: authorized by Hallie Sims, entered by Jason Cassara on 29.12.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Phyllites | |
Phyllites crassifolia Knowlton 1899 | |
Angiospermae | |
Cornus wrightii Knowlton 1899 dogwood | |
Aralia sp. Linnaeus 1753 spikenard
Aralia wrightii Knowlton 1899 spikenard | |
Magnolia californica Lesquereux 1878 magnolia | |
Salix ? elongata Weber 1853 willow | |
Pterospermites haguei Knowlton 1899 | |
Cissus haguei Knowlton 1899 | |
Ficus haguei Knowlton 1899 fig | |
Dicotyledoneae | |
Diospyros lamarensis Knowlton 1899 | |
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