Also known as Bridge Creek Flora
Where: Wheeler County, Oregon (45.0° N, 120.3° W)
• Paleocoordinates: 49.8° N, 103.2° W (Wright 2013)
• coordinate stated in text
When: John Day Formation, Early/Lower Oligocene (33.9 - 27.3 Ma)
• formation-level stratigraphic resolution
Environment/lithology: fluvial-lacustrine
Size class: mesofossils
Preservation: mold/impression, original carbon
Collection methods: bulk,
• The dominant leaves at Cove Creek are Alnus and Paracarpinus. Most noteworthy in the Cove Creek assemblage is the abundance of Pinus johndayensis, which is much more common here than in any other assemblage.
Primary reference: H. W. Meyer and S. R. Manchester. 1997. The Oligocene Bridge Creek flora of the John Day Formation, Oregon. University of California Publications in Geological Sciences 141:1-195 [J. Alroy/J. Alroy/H. Wang]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 35235: authorized by Bruce Tiffney, entered by Julia Fosdick on 19.11.2003
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Craigia | |
Angiospermae | |
Cornus sp. Linnaeus 1753 dogwood | |
Cercidiphyllum crenatum Brown 1935 katsura | |
Parrotia brevipetiolata Meyer and Manchester 1997 ironwood | |
Florissantia speirii Manchester 1992 nightshade | |
Mahonia simplex barberry | |
Acer osmontii, Acer kluckingii, Acer sp. 1, Acer sp. A, Acer sp. C, Acer cranei, Acer glabroides, Aesculus sp.
Acer osmontii maple
Acer kluckingii maple
Acer sp. 1 Linnaeus 1753 maple
Acer sp. A Linnaeus 1753 maple
Acer sp. C Linnaeus 1753 maple
Acer cranei Wolfe and Tanai 1987 maple
Acer glabroides Brown 1937 maple
Aesculus sp. Linnaeus 1753 soapberry | |
Cedrela merrillii mahogany | |
Quercus consimilis Newberry 1883 oak | |
Carya sp. A Nuttall 1818 hickory | |
Alnus heterodonta alder
Alnus sp. Miller 1754 alder | |
Cercis maurerae, "Leguminosae gen. et sp. indet." = Fabaceae
Cercis maurerae redbud
"Leguminosae gen. et sp. indet." = Fabaceae Lindley 1836 legume | |
Amelanchier covea shadbush
Crataegus merriamii hawthorn | |
Ulmus sp. 2 Linnaeus 1753 elm | |
Hovenia oregonensis buckthorn | |
Rosa hilliae Lesquereux 1883 rose | |
Pinopsida | |
Pinus johndayensis pine | |
Torreya masonii yew | |
Metasequoia sp. Miki 1941 dawn redwood | |
Plafkeria | |