Fossil Schoolhouse, : Early/Lower Oligocene, Oregon

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Asterocarpinus perplexans seed/fruit
Paracarpinus chaneyi leaf
Typhoides buzekii leaf
Beckerosperma ovalicarpa seed/fruit
Potanospira fryi seed/fruit
Craigia oregonensis seed/fruit
Polypodiopsida - Polypodiaceae
cf. Polypodium sp. leaf Linnaeus 1753
Polypodiopsida - Polypodiales - Pteridaceae
Pteris silvicola leaf
unclassified
Cinnamomophyllum bendirei leaf
Pinopsida - Pinales - Taxaceae
Torreya masonii leaf
Pinopsida - Pinales - Pinaceae
Abies sp. seed repro Miller 1754
Pinus johndayensis multi organs
Coniferales - Cupressaceae
Metasequoia sp. multi organs Miki 1941
Angiospermae
Angiospermae indet. seed/fruit
originally entered as "Unknown sp."
Dicotyledones informal sp. 2 leaf
corrected as Dicotyledoneae
originally entered as "Unknown dicotyledonous sp. 2"
Dicotyledones informal sp. 3 leaf
corrected as Dicotyledoneae
originally entered as "Unknown dicotyledonous sp. 3"
Dicotyledones informal sp. 7 leaf
corrected as Dicotyledoneae
originally entered as "Unknown dicotyledonous sp. 7"
Dicotyledones informal sp. 8 leaf
corrected as Dicotyledoneae
originally entered as "Unknown dicotyledonous sp. 8"
Dicotyledones informal sp. 15 leaf
corrected as Dicotyledoneae
originally entered as "Unknown dicotyledonous sp. 15"
Dicotyledones informal sp. 16 leaf
corrected as Dicotyledoneae
originally entered as "Unknown dicotyledonous sp. 16"
Dicotyledones informal sp. 17 leaf
corrected as Dicotyledoneae
originally entered as "Unknown dicotyledonous sp. 17"
Dicotyledones informal sp. 18 leaf
corrected as Dicotyledoneae
originally entered as "Unknown dicotyledonous sp. 18"
Dicotyledones informal sp. 25 leaf
corrected as Dicotyledoneae
originally entered as "Unknown dicotyledonous sp. 25"
Dicotyledones informal sp. 27 leaf
corrected as Dicotyledoneae
originally entered as "Unknown dicotyledonous sp. 27"
Dicotyledones informal sp. 29 leaf
corrected as Dicotyledoneae
originally entered as "Unknown dicotyledonous sp. 29"
Dicotyledones informal sp. 31 leaf
corrected as Dicotyledoneae
originally entered as "Unknown dicotyledonous sp. 31"
Angiospermae - Myrtales - Combretaceae
Terminalia oregona seed/fruit
Angiospermae - Myrtales - Lythraceae
Decodon brownii leaf
Angiospermae - Saxifragales - Saxifragaceae
Hydrangea sp. flower Linnaeus 1753
Angiospermae - Saxifragales - Grossulariaceae
Ribes sp. leaf Linnaeus 1753
Angiospermae - Saxifragales - Cercidiphyllaceae
Cercidiphyllum crenatum leaf Brown 1935
Angiospermae - Saxifragales - Hamamelidaceae
Hamamelidaceae gen. et sp. indet.
Parrotia brevipetiolata leaf Meyer and Manchester 1997
Angiospermae - Cornales - Cornaceae
Cornus sp. leaf Linnaeus 1753
Angiospermae - Lamiales - Bignoniaceae
Catalpa sp. seed/fruit Scopoli 1777
Angiospermae - Lamiales - Oleaceae
Fraxinus sp. seed/fruit Linnaeus 1753
Angiospermae - Proteales - Platanaceae
Platanus condonii leaf
Platanus exaspera leaf
Platanus sp. seed/fruit Linnaeus 1753
Angiospermae - Ranunculales - Berberidaceae
Mahonia simplex leaf
Angiospermae - Solanales - Solanaceae
Florissantia speirii seed/fruit, flower Manchester 1992
Angiospermae - Sapindales - Meliaceae
Cedrela merrillii seed/fruit, leaf
Angiospermae - Sapindales - Anacardiaceae
Rhus sp. seed/fruit Linnaeus 1753
Rhus lesquereuxii leaf Knowlton and Cockerell 1919
Angiospermae - Sapindales - Sapindaceae
Acer osmontii leaf, seed/fruit
Acer ashwillii leaf
Acer informal sp. 2 leaf Linnaeus 1753
Acer informal sp. A seed/fruit Linnaeus 1753
Acer informal sp. C seed/fruit Linnaeus 1753
Acer glabroides leaf Brown 1937
Acer cranei seed/fruit Wolfe and Tanai 1987
Angiospermae - Malvales - Tiliaceae
Tilia circularis
Tilia fossilensis leaf
Angiospermae - Fagales - Betulaceae
Alnus heterodonta leaf
Alnus newberryi leaf
Alnus sp. seed/fruit Miller 1754
Angiospermae - Fagales - Juglandaceae
Cruciptera sp. seed/fruit Manchester 1991
Carya sp. 1 leaf Nuttall 1818
Carya sp. A seed/fruit Nuttall 1818
Palaeocarya cf. olsonii seed/fruit
Juglans wheelerensis leaf
Angiospermae - Fagales - Fagaceae
Quercus sp. seed/fruit Linnaeus 1753
Quercus consimilis leaf Newberry 1883
Fagus pacifica leaf, seed/fruit
Angiospermae - Rosales - Rhamnaceae
Hovenia oregonensis leaf
Angiospermae - Rosales - Ulmaceae
Ulmus chaneyi leaf
Ulmus sp. 2 leaf Linnaeus 1753
Ulmus sp. B leaf Linnaeus 1753
Ulmus speciosa leaf Newberry 1883
Cedrelospermum lineatum leaf, seed/fruit
Angiospermae - Rosales - Pomaceae
Crataegus merriamii leaf
Angiospermae - Fabales - Fabaceae
Leguminosae gen. et sp. indet leaf
synonym of Fabaceae
Cladrastis oregonensis leaf
Cladrastis sp. seed/fruit Rafinesque 1824
Cercis maurerae seed/fruit
Angiospermae - Nymphaeales - Nymphaeaceae
Nymphaeaceae gen. et sp. indet. leaf
Nuphar sp. Smith 1809
Angiospermae
Monocotyledones indet. leaf
spelled with current rank as Monocotyledoneae
originally entered as "Unknown monocotyledonous sp."
Amphibia - Temnospondyli - Urodela
Taricha lindoei n. sp. Naylor 1979
Jacisin and Hopkins 2018
Mammalia - Chiroptera
Chiroptera indet. Blumenbach 1779
Brown 1959
unclassified
Juglandiphyllites cryptatus leaf
Plafkeria obliquifolia leaf
Saportaspermum occidentalis seed/fruit
see common names

Geography
Country:United States State/province:Oregon County:Wheeler
Coordinates: 45.0° North, 120.2° West (view map)
Paleocoordinates:44.7° North, 109.4° West
Basis of coordinate:stated in text
Time
Period:Paleogene Epoch:Oligocene
Stage:Rupelian 10 m.y. bin:Cenozoic 4
Key time interval:Early/Lower Oligocene
Age range of interval:33.90000 - 27.82000 m.y. ago
Stratigraphy
Formation:John Day Member:Big Basin
Stratigraphic resolution:formation
Stratigraphy comments: Jacisin and Hopkins (2018) indicate beds are between 32.66Ma and 32.99Ma
Lithology and environment
Primary lithology: "shale"
Includes fossils?Y
Lithology description: "dark shale"
Environment:lacustrine indet.
Taphonomy
Modes of preservation:mold/impression,adpression,original carbon
Size of fossils:macrofossils,mesofossils
Temporal resolution:snapshot
Spatial resolution:parautochthonous
Collection methods and comments
Collection excludes:all microfossils,some macrofossils
Collection methods:bulk,field collection
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Bridge Creek Flora; Wheeler County High School exposures; U.S.G.S. loc. 9420; UCMP V5636; UCMP PA15
Database number:35221
Authorizer:B. Tiffney, J. Alroy, P. Holroyd Enterer:J. Fosdick, J. Alroy, P. Holroyd
Modifier:P. Holroyd Research group:paleobotany
Created:2003-11-18 14:02:41 Last modified:2021-10-11 16:20:55
Access level:the public Released:2003-11-18 14:02:41
Creative Commons license:CC BY
Reference information

Primary reference:
2582. 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]

Secondary references:

1136 R. W. Brown. 1959. A bat and some plants from the upper Oligocene of Oregon. Journal of Paleontology 33(1):125-129 [J. Alroy/J. Alroy/J. Alroy]
65794 J. J. Jacisin and S. S. B. Hopkins. 2018. A redescription and phylogenetic analysis based on new material of the fossil newts Taricha oligocenica Van Frank, 1955 and Taricha lindoei Naylor, 1979 (Amphibia, Salamandridae) from the Oligocene of Oregon. Journal of Paleontology [P. Holroyd/P. Holroyd]