Whitecap Knoll (Oligocene of the United States)
Where: Wheeler County, Oregon (44.9° N, 120.4° W)
• Paleocoordinates: 49.6° N, 105.0° W (Wright 2013)
• coordinate based on unpublished field data
When: John Day Formation, Oligocene (33.9 - 23.0 Ma)
Environment/lithology: terrestrial; shale
Size class: macrofossils
Preservation: mold/impression
Primary reference: S. R. Manchester. 2000. Late Eocene fossil plants of the John Day Formation, Wheeler County, Oregon. Oregon Geology 62(3):51-84more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 237756: authorized by Nicholas Famoso, entered by Nicholas Famoso on 15.12.2024
Creative Commons license: CC0 (CC0)
Taxonomic list
Show authors, comments, and common names
| unclassified | |
| Craigia | |
|
Craigia sp. Smith and Evans 1921 | |
| Cinnamomophyllum | |
|
Cinnamomophyllum sp. Kraeusel and Weyland 1950 | |
| Angiospermae | |
|
Rhamnaceae indet. Jussieu 1789 buckthorn | |
|
Ulmus sp. Linnaeus 1753 elm | |
|
Rosa sp. Linnaeus 1753 rose | |
|
Quercus "sp. 1" Linnaeus 1753 oak
Quercus "sp. 2" Linnaeus 1753 oak | |
|
Alnus sp. Miller 1754 alder | |
|
Cruciptera sp. Manchester 1991
Palaeocarya sp. Saporta 1873 | |
|
Ailanthus sp. Desfontaines 1786 | |
|
Acer sp. Linnaeus 1753 maple
Dipteronia sp. Oliver 1889 soapberry | |
|
Ceratophyllum sp. Linnaeus 1753 hornwort | |
|
Florissantia sp. Knowlton 1916 nightshade | |
|
Nelumbo sp. Adanson 1763 lotus | |
|
Platanus sp. Linnaeus 1753 plane tree | |
|
Hydrangea sp. Linnaeus 1753 hydrangea | |
|
Catalpa sp. Scopoli 1777 trumpet vine | |
|
Eucommia sp. Oliver 1890 | |
|
Mahonia sp. Nuttall 1818 barberry | |
| Dicotyledoneae | |
|
Decodon sp. Gmelin 1791 | |