PBDB Collection

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Coniferales - Cupressaceae

	Metasequoia sp. multi organs Miki 1941
Pinopsida - Pinales - Taxaceae

	Torreya masonii leaf
Pinopsida - Pinales - Pinaceae

	Pinus johndayensis multi organs
Angiospermae - Saxifragales - Cercidiphyllaceae

	Cercidiphyllum crenatum leaf Brown 1935
Angiospermae - Saxifragales - Hamamelidaceae

	Parrotia brevipetiolata leaf Meyer and Manchester 1997
Angiospermae - Cornales - Cornaceae

	Cornus sp. leaf Linnaeus 1753
Angiospermae - Ranunculales - Berberidaceae

	Mahonia simplex leaf
Angiospermae - Solanales - Solanaceae

	Florissantia speirii seed/fruit, flower Manchester 1992
Angiospermae - Sapindales - Sapindaceae

	Aesculus sp. leaf Linnaeus 1753

	Acer osmontii leaf, seed/fruit

	Acer kluckingii leaf

	Acer sp. 1 leaf

	Acer sp. A seed/fruit

	Acer sp. C seed/fruit

	Acer cranei seed/fruit Wolfe and Tanai 1987

	Acer glabroides leaf Brown 1937
Angiospermae - Sapindales - Meliaceae

	Cedrela merrillii leaf, seed/fruit
Angiospermae - Malvales - Tiliaceae

	Tilia circularis

	Tilia penduculata

	Tilia fossilensis leaf

	Tilia lamottei leaf
Angiospermae - Fagales - Juglandaceae

	Carya sp. A seed/fruit
Angiospermae - Fagales - Fagaceae

	Quercus consimilis leaf Newberry 1883
Angiospermae - Fagales - Betulaceae

	Alnus heterodonta leaf

	Alnus sp. multi organs Miller 1754
Angiospermae - Rosales - Pomaceae

	Crataegus merriamii leaf

	Amelanchier covea leaf
Angiospermae - Rosales - Ulmaceae

	Cedrelospermum lineatum leaf, seed/fruit

	Ulmus sp. 2 leaf
Angiospermae - Rosales - Rosaceae

	Rosa hilliae leaf Lesquereux 1883
Angiospermae - Rosales - Rhamnaceae

	Hovenia oregonensis leaf
Angiospermae - Fabales - Fabaceae

	Leguminosae gen. et sp. indet. leaf de Jussieu

	Cercis maurerae seed/fruit
unclassified

	Craigia oregonensis leaf

	Asterocarpinus chaneyi leaf

	Toxicodendron wolfei leaf

	Unknown dicotyledonous sp. 11 leaf

	Unknown dicotyledonous sp. 13 leaf

	Typhoides buzekii leaf

	Beckerosperma ovalicarpa seed/fruit

	Plafkeria obliquifolia leaf
see common names

Country:	United States	State/province:	Oregon	County:	Wheeler
Coordinates:	45.0° North, 120.3° West (view map)
Paleocoordinates:	49.8° North, 103.2° West (Wright 2013)
Basis of coordinate:	stated in text

Period:	Paleogene	Epoch:	Oligocene
Stage:	Rupelian	10 m.y. bin:	Cenozoic 4
Key time interval:	Early Oligocene
Age range of interval:	33.9 - 27.82 m.y. ago

Formation:	John Day
Stratigraphic resolution:	formation

Modes of preservation:	body,mold/impression,original carbon
Size of fossils:	mesofossils

Collection excludes:	all microfossils,some macrofossils
Collection methods:	bulk,field collection
Reason for describing collection:	taxonomic analysis
Collection method comments: 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.

Lithology description: tuffaceous shale
Environment:	fluvial-lacustrine indet.

Also known as:	Bridge Creek Flora
Database number:	35235
Authorizer:	B. Tiffney	Enterer:	J. Fosdick
Modifier:	B. Tiffney	Research group:	paleobotany
Created:	2003-11-19 10:21:40	Last modified:	2025-02-22 15:12:02
Access level:	database members	Released:	2003-11-19 10:21:40
Creative Commons license:	CC0