Where: Park County, Wyoming (44.6° N, 108.1° 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)
• 31 meters below base of the "Big Bentonite" overlying the Eagle Formation
• bed-level stratigraphic resolution
Environment/lithology: levee; lithified sandstone
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 27357: authorized by Bruce Tiffney, entered by Sara Pendleton on 04.12.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Retinovena fluvialis n. gen. n. sp., Amborellites wyomingensis n. gen. n. sp., Montania glandulosa n. gen. n. sp., Semiungula assymetrica n. gen. n. sp., Anceptophyllum pulcrum n. gen. n. sp., Avernalia solida n. gen. n. sp., Dicotyledon "sp. 5"
Retinovena fluvialis n. gen. n. sp.
Amborellites wyomingensis n. gen. n. sp.
Montania glandulosa n. gen. n. sp.
Semiungula assymetrica n. gen. n. sp.
Anceptophyllum pulcrum n. gen. n. sp.
Avernalia solida n. gen. n. sp. | |
Protophyllum | |
Protophyllum sp. Lesquereux 1874 | |
unclassified | |
"Gymnospermae indet." = Pinophyta
| |
Angiospermae | |
Dryophyllum polymorphum n. gen. n. sp.
Dryophyllum polymorphum n. gen. n. sp. | |
Dicotyledoneae | |
Angiospermae | |
"Persea" hayana Lesquereux 1891 laurel | |
Trochodendroides sp. Berry 1922 | |
Platanites marginata, "Platanus primaeva" = Platanus latior
Platanites marginata Lesquereux 1872
"Platanus primaeva" = Platanus latior Lesquereux 1868 plane tree |