Where: Park County, Wyoming (45.0° N, 108.9° W: paleocoordinates 52.0° N, 76.5° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Lettered Sands Member (Eagle Formation), Early/Lower Campanian (83.5 - 70.6 Ma)
• 37.8 meters below the base of the "Big Bentonitei" overlying the Eagle Formation
• bed-level stratigraphic resolution
Environment/lithology: levee; lithified, gray, sandy mudstone
Size class: macrofossils
Preservation: mold/impression, adpression
Collection methods: quarrying,
Primary reference: M. C. Van Boskirk. 1998. The flora of the Eagle Formation and its significance for Late Cretaceous floristic evolution. Yale University 1-382 [B. Tiffney/S. Pendleton/S. Pendleton]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 27135: authorized by Bruce Tiffney, entered by Sara Pendleton on 19.11.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Equisetopsida | |
Araucarites sp. Presl 1833 | |
Angiospermae | |
Laurales "sp. 1" Jussieu 1820 | |
"Cinnamomum" hesperium Knowlton 1917 cinnamon | |
Trochodendroides sp. Berry 1922 | |
"Platanus primaeva" = Platanus latior
"Platanus primaeva" = Platanus latior Lesquereux 1868 plane tree | |
Dicotyledoneae | |
Angiospermae | |
Polypodiopsida | |
Asplenium neomexicanum Knowlton 1916 spleenwort | |
"Woodwardia" crenata Knowlton 1900 |