Cove Creek (Oligocene of the United States)

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

• tuffaceous shale

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
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Craigia
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Angiospermae
 Cornales - Cornaceae
Cornus sp. Linnaeus 1753 dogwood
 Saxifragales - Cercidiphyllaceae
Cercidiphyllum crenatum Brown 1935 katsura
 Saxifragales - Hamamelidaceae
Parrotia brevipetiolata Meyer and Manchester 1997 ironwood
 Solanales - Solanaceae
Florissantia speirii Manchester 1992 nightshade
 Ranunculales - Berberidaceae
 Sapindales - Sapindaceae
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
 Sapindales - Meliaceae
 Malvales - Tiliaceae
 Fagales - Fagaceae
Quercus consimilis Newberry 1883 oak
 Fagales - Juglandaceae
Carya sp. A Nuttall 1818 hickory
 Fagales - Betulaceae
Alnus sp. Miller 1754 alder
 Fabales - Fabaceae
Cercis maurerae, "Leguminosae gen. et sp. indet." = Fabaceae
"Leguminosae gen. et sp. indet." = Fabaceae Lindley 1836 legume
 Rosales - Pomaceae
 Rosales - Ulmaceae
Ulmus sp. 2 Linnaeus 1753 elm
 Rosales - Rhamnaceae
 Rosales - Rosaceae
Rosa hilliae Lesquereux 1883 rose
Pinopsida
 Pinales - Pinaceae
 Pinales - Taxaceae
 Coniferales - Cupressaceae
Metasequoia sp. Miki 1941 dawn redwood
Plafkeria
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